65252532 has 12 divisors (see below), whose sum is σ = 152255936. Its totient is φ = 21750840.

The previous prime is 65252527. The next prime is 65252533. The reversal of 65252532 is 23525256.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×65252532² = 8515785864822048, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 65252532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65252533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2718844 + ... + 2718867.

Almost surely, 2^65252532 is an apocalyptic number.

It is an amenable number.

65252532 is an abundant number, since it is smaller than the sum of its proper divisors (87003404).

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

65252532 is a wasteful number, since it uses less digits than its factorization.

65252532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5437718 (or 5437716 counting only the distinct ones).

The product of its digits is 18000, while the sum is 30.

The square root of 65252532 is about 8077.9039360468. The cubic root of 65252532 is about 402.5926014066.

Adding to 65252532 its reverse (23525256), we get a palindrome (88777788).

The spelling of 65252532 in words is "sixty-five million, two hundred fifty-two thousand, five hundred thirty-two".