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3125513233 is a prime number
BaseRepresentation
bin1011101001001011…
…1000110000010001
322001211012112010101
42322102320300101
522400112410413
61234050332401
7140311265323
oct27222706021
98054175111
103125513233
1113642a8397
1273288a101
133aa6bba1b
14219159613
151345d7edd
hexba4b8c11

3125513233 has 2 divisors, whose sum is σ = 3125513234. Its totient is φ = 3125513232.

The previous prime is 3125513231. The next prime is 3125513269. The reversal of 3125513233 is 3323155213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2651014144 + 474499089 = 51488^2 + 21783^2 .

It is a cyclic number.

It is not a de Polignac number, because 3125513233 - 21 = 3125513231 is a prime.

It is a super-2 number, since 2×31255132332 = 19537665939316224578, which contains 22 as substring.

Together with 3125513231, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3125513231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1562756616 + 1562756617.

It is an arithmetic number, because the mean of its divisors is an integer number (1562756617).

Almost surely, 23125513233 is an apocalyptic number.

It is an amenable number.

3125513233 is a deficient number, since it is larger than the sum of its proper divisors (1).

3125513233 is an equidigital number, since it uses as much as digits as its factorization.

3125513233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8100, while the sum is 28.

The square root of 3125513233 is about 55906.2897445359. The cubic root of 3125513233 is about 1462.0889021863.

Adding to 3125513233 its reverse (3323155213), we get a palindrome (6448668446).

The spelling of 3125513233 in words is "three billion, one hundred twenty-five million, five hundred thirteen thousand, two hundred thirty-three".