625121250017 has 16 divisors (see below), whose sum is σ = 706131276480. Its totient is φ = 548178321600.

The previous prime is 625121249971. The next prime is 625121250049. The reversal of 625121250017 is 710052121526.

It is a cyclic number.

It is not a de Polignac number, because 625121250017 - 2⁶ = 625121249953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (625121250217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 585023 + ... + 1261940.

It is an arithmetic number, because the mean of its divisors is an integer number (44133204780).

Almost surely, 2^625121250017 is an apocalyptic number.

It is an amenable number.

625121250017 is a deficient number, since it is larger than the sum of its proper divisors (81010026463).

625121250017 is a wasteful number, since it uses less digits than its factorization.

625121250017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1848064.

The product of its (nonzero) digits is 8400, while the sum is 32.

The spelling of 625121250017 in words is "six hundred twenty-five billion, one hundred twenty-one million, two hundred fifty thousand, seventeen".