65252564 has 24 divisors (see below), whose sum is σ = 128325120. Its totient is φ = 28806624.

The previous prime is 65252549. The next prime is 65252569. The reversal of 65252564 is 46525256.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65252569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26084 + ... + 28475.

It is an arithmetic number, because the mean of its divisors is an integer number (5346880).

Almost surely, 2^65252564 is an apocalyptic number.

It is an amenable number.

65252564 is a deficient number, since it is larger than the sum of its proper divisors (63072556).

65252564 is a wasteful number, since it uses less digits than its factorization.

65252564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54599 (or 54597 counting only the distinct ones).

The product of its digits is 72000, while the sum is 35.

The square root of 65252564 is about 8077.9059167584. The cubic root of 65252564 is about 402.5926672174.

The spelling of 65252564 in words is "sixty-five million, two hundred fifty-two thousand, five hundred sixty-four".