694464625 has 16 divisors (see below), whose sum is σ = 875122560. Its totient is φ = 550167600.

The previous prime is 694464623. The next prime is 694464643. The reversal of 694464625 is 526464496.

It is not a de Polignac number, because 694464625 - 2¹ = 694464623 is a prime.

It is a super-2 number, since 2×694464625² = 964562230752781250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (694464623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14095 + ... + 39844.

It is an arithmetic number, because the mean of its divisors is an integer number (54695160).

Almost surely, 2^694464625 is an apocalyptic number.

It is an amenable number.

694464625 is a deficient number, since it is larger than the sum of its proper divisors (180657935).

694464625 is a wasteful number, since it uses less digits than its factorization.

694464625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54057 (or 54047 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 46.

The square root of 694464625 is about 26352.6967310748. The cubic root of 694464625 is about 885.5573855852.

The spelling of 694464625 in words is "six hundred ninety-four million, four hundred sixty-four thousand, six hundred twenty-five".