625334664131 has 4 divisors (see below), whose sum is σ = 625561813512. Its totient is φ = 625107514752.

The previous prime is 625334664121. The next prime is 625334664161. The reversal of 625334664131 is 131466433526.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 625334664131 - 2¹⁴ = 625334647747 is a prime.

It is a super-2 number, since 2×625334664131² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (625334664121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113570561 + ... + 113576066.

It is an arithmetic number, because the mean of its divisors is an integer number (156390453378).

Almost surely, 2^625334664131 is an apocalyptic number.

625334664131 is a deficient number, since it is larger than the sum of its proper divisors (227149381).

625334664131 is a wasteful number, since it uses less digits than its factorization.

625334664131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227149380.

The product of its digits is 933120, while the sum is 44.

The spelling of 625334664131 in words is "six hundred twenty-five billion, three hundred thirty-four million, six hundred sixty-four thousand, one hundred thirty-one".