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2500279541 is a prime number
BaseRepresentation
bin1001010100000111…
…0011110011110101
320110020201100201222
42111001303303311
520110032421131
61052033400125
7115650011504
oct22501636365
96406640658
102500279541
111073385031
12599409045
1330acc9766
1419a0c483b
15e978387b
hex95073cf5

2500279541 has 2 divisors, whose sum is σ = 2500279542. Its totient is φ = 2500279540.

The previous prime is 2500279513. The next prime is 2500279547. The reversal of 2500279541 is 1459720052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1372998916 + 1127280625 = 37054^2 + 33575^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2500279541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2500279547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1250139770 + 1250139771.

It is an arithmetic number, because the mean of its divisors is an integer number (1250139771).

Almost surely, 22500279541 is an apocalyptic number.

It is an amenable number.

2500279541 is a deficient number, since it is larger than the sum of its proper divisors (1).

2500279541 is an equidigital number, since it uses as much as digits as its factorization.

2500279541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 2500279541 is about 50002.7953318612. The cubic root of 2500279541 is about 1357.2593924798.

Adding to 2500279541 its reverse (1459720052), we get a palindrome (3959999593).

The spelling of 2500279541 in words is "two billion, five hundred million, two hundred seventy-nine thousand, five hundred forty-one".