65253512 has 16 divisors (see below), whose sum is σ = 126297600. Its totient is φ = 31574160.

The previous prime is 65253491. The next prime is 65253541. The reversal of 65253512 is 21535256.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131312 + ... + 131807.

It is an arithmetic number, because the mean of its divisors is an integer number (7893600).

Almost surely, 2^65253512 is an apocalyptic number.

65253512 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

65253512 is a deficient number, since it is larger than the sum of its proper divisors (61044088).

65253512 is a wasteful number, since it uses less digits than its factorization.

65253512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263156 (or 263152 counting only the distinct ones).

The product of its digits is 9000, while the sum is 29.

The square root of 65253512 is about 8077.9645951192. The cubic root of 65253512 is about 402.5946168521.

Adding to 65253512 its reverse (21535256), we get a palindrome (86788768).

The spelling of 65253512 in words is "sixty-five million, two hundred fifty-three thousand, five hundred twelve".