253056539 has 2 divisors, whose sum is σ = 253056540. Its totient is φ = 253056538.

The previous prime is 253056533. The next prime is 253056553. The reversal of 253056539 is 935650352.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-253056539 is a prime.

It is a super-2 number, since 2×253056539² = 128075223861317042, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (253056533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126528269 + 126528270.

It is an arithmetic number, because the mean of its divisors is an integer number (126528270).

Almost surely, 2^253056539 is an apocalyptic number.

253056539 is a deficient number, since it is larger than the sum of its proper divisors (1).

253056539 is an equidigital number, since it uses as much as digits as its factorization.

253056539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 121500, while the sum is 38.

The square root of 253056539 is about 15907.7509095409. The cubic root of 253056539 is about 632.5174644576.

The spelling of 253056539 in words is "two hundred fifty-three million, fifty-six thousand, five hundred thirty-nine".