662998925 has 12 divisors (see below), whose sum is σ = 826021536. Its totient is φ = 527881200.

The previous prime is 662998913. The next prime is 662998927. The reversal of 662998925 is 529899266.

662998925 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-662998925 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 (662998927) 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, 57569 + ... + 68118.

It is an arithmetic number, because the mean of its divisors is an integer number (68835128).

Almost surely, 2^662998925 is an apocalyptic number.

It is an amenable number.

662998925 is a deficient number, since it is larger than the sum of its proper divisors (163022611).

662998925 is a wasteful number, since it uses less digits than its factorization.

662998925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125908 (or 125903 counting only the distinct ones).

The product of its digits is 4199040, while the sum is 56.

The square root of 662998925 is about 25748.7655043887. The cubic root of 662998925 is about 871.9754840658.

The spelling of 662998925 in words is "six hundred sixty-two million, nine hundred ninety-eight thousand, nine hundred twenty-five".