65407252 has 12 divisors (see below), whose sum is σ = 115337376. Its totient is φ = 32453720.

The previous prime is 65407229. The next prime is 65407273. The reversal of 65407252 is 25270456.

It is a super-2 number, since 2×65407252² = 8556217228383008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 61888 + ... + 62935.

It is an arithmetic number, because the mean of its divisors is an integer number (9611448).

Almost surely, 2^65407252 is an apocalyptic number.

It is an amenable number.

65407252 is a deficient number, since it is larger than the sum of its proper divisors (49930124).

65407252 is a wasteful number, since it uses less digits than its factorization.

65407252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124958 (or 124956 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 65407252 is about 8087.4750076894. The cubic root of 65407252 is about 402.9105454463.

The spelling of 65407252 in words is "sixty-five million, four hundred seven thousand, two hundred fifty-two".