253038574513 has 2 divisors, whose sum is σ = 253038574514. Its totient is φ = 253038574512.

The previous prime is 253038574487. The next prime is 253038574571. The reversal of 253038574513 is 315475830352.

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., 252991898289 + 46676224 = 502983^2 + 6832^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-253038574513 is a prime.

It is not a weakly prime, because it can be changed into another prime (253038544513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126519287256 + 126519287257.

It is an arithmetic number, because the mean of its divisors is an integer number (126519287257).

Almost surely, 2^253038574513 is an apocalyptic number.

It is an amenable number.

253038574513 is a deficient number, since it is larger than the sum of its proper divisors (1).

253038574513 is an equidigital number, since it uses as much as digits as its factorization.

253038574513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512000, while the sum is 46.

The spelling of 253038574513 in words is "two hundred fifty-three billion, thirty-eight million, five hundred seventy-four thousand, five hundred thirteen".