625321427 has 4 divisors (see below), whose sum is σ = 625802640. Its totient is φ = 624840216.

The previous prime is 625321399. The next prime is 625321451. The reversal of 625321427 is 724123526.

625321427 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 625321427 - 2¹⁰ = 625320403 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 625321393 and 625321402.

It is not an unprimeable number, because it can be changed into a prime (627321427) 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, 238652 + ... + 241257.

It is an arithmetic number, because the mean of its divisors is an integer number (156450660).

Almost surely, 2^625321427 is an apocalyptic number.

625321427 is a deficient number, since it is larger than the sum of its proper divisors (481213).

625321427 is a wasteful number, since it uses less digits than its factorization.

625321427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481212.

The product of its digits is 20160, while the sum is 32.

The square root of 625321427 is about 25006.4277136899. The cubic root of 625321427 is about 855.1345168699.

The spelling of 625321427 in words is "six hundred twenty-five million, three hundred twenty-one thousand, four hundred twenty-seven".