65953212 has 48 divisors (see below), whose sum is σ = 166239360. Its totient is φ = 20230848.

The previous prime is 65953207. The next prime is 65953231. The reversal of 65953212 is 21235956.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96223 + ... + 96905.

It is an arithmetic number, because the mean of its divisors is an integer number (3463320).

Almost surely, 2^65953212 is an apocalyptic number.

It is an amenable number.

65953212 is an abundant number, since it is smaller than the sum of its proper divisors (100286148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65953212 is a wasteful number, since it uses less digits than its factorization.

65953212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1322 (or 1320 counting only the distinct ones).

The product of its digits is 16200, while the sum is 33.

The square root of 65953212 is about 8121.1582917709. The cubic root of 65953212 is about 404.0284837611.

The spelling of 65953212 in words is "sixty-five million, nine hundred fifty-three thousand, two hundred twelve".