65382900 has 72 divisors (see below), whose sum is σ = 206382624. Its totient is φ = 15849600.

The previous prime is 65382899. The next prime is 65382913. The reversal of 65382900 is 928356.

It is a happy number.

It is a super-2 number, since 2×65382900² = 8549847224820000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6607 + ... + 13206.

Almost surely, 2^65382900 is an apocalyptic number.

65382900 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

65382900 is an abundant number, since it is smaller than the sum of its proper divisors (140999724).

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

65382900 is a wasteful number, since it uses less digits than its factorization.

65382900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19841 (or 19834 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 65382900 is about 8085.9693296475. The cubic root of 65382900 is about 402.8605362336.

The spelling of 65382900 in words is "sixty-five million, three hundred eighty-two thousand, nine hundred".