609631925 has 12 divisors (see below), whose sum is σ = 863935776. Its totient is φ = 418033200.

The previous prime is 609631921. The next prime is 609631927. The reversal of 609631925 is 529136906.

It is not a de Polignac number, because 609631925 - 2² = 609631921 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (609631921) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1741631 + ... + 1741980.

It is an arithmetic number, because the mean of its divisors is an integer number (71994648).

Almost surely, 2^609631925 is an apocalyptic number.

It is an amenable number.

609631925 is a deficient number, since it is larger than the sum of its proper divisors (254303851).

609631925 is a wasteful number, since it uses less digits than its factorization.

609631925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3483628 (or 3483623 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 41.

The square root of 609631925 is about 24690.7254854935. The cubic root of 609631925 is about 847.9219943710.

The spelling of 609631925 in words is "six hundred nine million, six hundred thirty-one thousand, nine hundred twenty-five".