625031146426433 has 4 divisors (see below), whose sum is σ = 657927522554160. Its totient is φ = 592134770298708.

The previous prime is 625031146426399. The next prime is 625031146426481. The reversal of 625031146426433 is 334624641130526.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 625031146426433 - 2⁸ = 625031146426177 is a prime.

It is a super-2 number, since 2×625031146426433² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (625031146426033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16448188063835 + ... + 16448188063872.

It is an arithmetic number, because the mean of its divisors is an integer number (164481880638540).

Almost surely, 2^{625031146426433} is an apocalyptic number.

It is an amenable number.

625031146426433 is a deficient number, since it is larger than the sum of its proper divisors (32896376127727).

625031146426433 is a wasteful number, since it uses less digits than its factorization.

625031146426433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32896376127726.

The product of its (nonzero) digits is 7464960, while the sum is 50.

Adding to 625031146426433 its reverse (334624641130526), we get a palindrome (959655787556959).

The spelling of 625031146426433 in words is "six hundred twenty-five trillion, thirty-one billion, one hundred forty-six million, four hundred twenty-six thousand, four hundred thirty-three".