625275075013 has 2 divisors, whose sum is σ = 625275075014. Its totient is φ = 625275075012.

The previous prime is 625275075001. The next prime is 625275075031. The reversal of 625275075013 is 310570572526.

Together with next prime (625275075031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 619128201409 + 6146873604 = 786847^2 + 78402^2 .

It is a cyclic number.

It is not a de Polignac number, because 625275075013 - 2²⁵ = 625241520581 is a prime.

It is a super-3 number, since 3×625275075013³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (625275075053) 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, 312637537506 + 312637537507.

It is an arithmetic number, because the mean of its divisors is an integer number (312637537507).

Almost surely, 2^625275075013 is an apocalyptic number.

It is an amenable number.

625275075013 is a deficient number, since it is larger than the sum of its proper divisors (1).

625275075013 is an equidigital number, since it uses as much as digits as its factorization.

625275075013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 441000, while the sum is 43.

The spelling of 625275075013 in words is "six hundred twenty-five billion, two hundred seventy-five million, seventy-five thousand, thirteen".