625004612051 has 4 divisors (see below), whose sum is σ = 625435354104. Its totient is φ = 624573870000.

The previous prime is 625004612021. The next prime is 625004612083. The reversal of 625004612051 is 150216400526.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 150216400526 = 2 ⋅75108200263.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-625004612051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 625004611999 and 625004612017.

It is not an unprimeable number, because it can be changed into a prime (625004612021) 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, 215368850 + ... + 215371751.

It is an arithmetic number, because the mean of its divisors is an integer number (156358838526).

Almost surely, 2^625004612051 is an apocalyptic number.

625004612051 is a deficient number, since it is larger than the sum of its proper divisors (430742053).

625004612051 is a wasteful number, since it uses less digits than its factorization.

625004612051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430742052.

The product of its (nonzero) digits is 14400, while the sum is 32.

The spelling of 625004612051 in words is "six hundred twenty-five billion, four million, six hundred twelve thousand, fifty-one".