64253236 has 12 divisors (see below), whose sum is σ = 112672000. Its totient is φ = 32061240.

The previous prime is 64253227. The next prime is 64253243. The reversal of 64253236 is 63235246.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 64253198 and 64253207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14100 + ... + 18091.

Almost surely, 2^64253236 is an apocalyptic number.

It is an amenable number.

64253236 is a deficient number, since it is larger than the sum of its proper divisors (48418764).

64253236 is a wasteful number, since it uses less digits than its factorization.

64253236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32694 (or 32692 counting only the distinct ones).

The product of its digits is 25920, while the sum is 31.

The square root of 64253236 is about 8015.8116245331. The cubic root of 64253236 is about 400.5268806871.

The spelling of 64253236 in words is "sixty-four million, two hundred fifty-three thousand, two hundred thirty-six".