65623256 has 8 divisors (see below), whose sum is σ = 123043620. Its totient is φ = 32811624.

The previous prime is 65623219. The next prime is 65623273. The reversal of 65623256 is 65232656.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4101446 + ... + 4101461.

Almost surely, 2^65623256 is an apocalyptic number.

It is an amenable number.

65623256 is a deficient number, since it is larger than the sum of its proper divisors (57420364).

65623256 is a wasteful number, since it uses less digits than its factorization.

65623256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8202913 (or 8202909 counting only the distinct ones).

The product of its digits is 64800, while the sum is 35.

The square root of 65623256 is about 8100.8182302777. The cubic root of 65623256 is about 403.3535883703.

The spelling of 65623256 in words is "sixty-five million, six hundred twenty-three thousand, two hundred fifty-six".