65980252 has 24 divisors (see below), whose sum is σ = 124891200. Its totient is φ = 30319296.

The previous prime is 65980237. The next prime is 65980253. The reversal of 65980252 is 25208956.

It is a happy number.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65980253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9774 + ... + 15082.

It is an arithmetic number, because the mean of its divisors is an integer number (5203800).

Almost surely, 2^65980252 is an apocalyptic number.

It is an amenable number.

65980252 is a deficient number, since it is larger than the sum of its proper divisors (58910948).

65980252 is a wasteful number, since it uses less digits than its factorization.

65980252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5565 (or 5563 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 65980252 is about 8122.8229083244. The cubic root of 65980252 is about 404.0836917749.

The spelling of 65980252 in words is "sixty-five million, nine hundred eighty thousand, two hundred fifty-two".