65021496 has 32 divisors (see below), whose sum is σ = 171110400. Its totient is φ = 20532960.

The previous prime is 65021491. The next prime is 65021497. The reversal of 65021496 is 69412056.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65021491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70840 + ... + 71751.

It is an arithmetic number, because the mean of its divisors is an integer number (5347200).

Almost surely, 2^65021496 is an apocalyptic number.

It is an amenable number.

65021496 is an abundant number, since it is smaller than the sum of its proper divisors (106088904).

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

65021496 is a wasteful number, since it uses less digits than its factorization.

65021496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142619 (or 142615 counting only the distinct ones).

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

The square root of 65021496 is about 8063.5907634254. The cubic root of 65021496 is about 402.1168938051.

The spelling of 65021496 in words is "sixty-five million, twenty-one thousand, four hundred ninety-six".