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2495525749 is a prime number
BaseRepresentation
bin1001010010111110…
…1011001101110101
320102220202211202121
42110233223031311
520102323310444
61051343435541
7115561422163
oct22457531565
96386684677
102495525749
111070728482
125978b5bb1
1330a023a72
14199608233
15e9145084
hex94beb375

2495525749 has 2 divisors, whose sum is σ = 2495525750. Its totient is φ = 2495525748.

The previous prime is 2495525729. The next prime is 2495525789. The reversal of 2495525749 is 9475255942.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2341592100 + 153933649 = 48390^2 + 12407^2 .

It is a cyclic number.

It is not a de Polignac number, because 2495525749 - 219 = 2495001461 is a prime.

It is a super-2 number, since 2×24955257492 = 12455297527844022002, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2495525696 and 2495525705.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2495525729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1247762874 + 1247762875.

It is an arithmetic number, because the mean of its divisors is an integer number (1247762875).

Almost surely, 22495525749 is an apocalyptic number.

It is an amenable number.

2495525749 is a deficient number, since it is larger than the sum of its proper divisors (1).

2495525749 is an equidigital number, since it uses as much as digits as its factorization.

2495525749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4536000, while the sum is 52.

The square root of 2495525749 is about 49955.2374531440. The cubic root of 2495525749 is about 1356.3986590812.

The spelling of 2495525749 in words is "two billion, four hundred ninety-five million, five hundred twenty-five thousand, seven hundred forty-nine".