65156252 has 24 divisors (see below), whose sum is σ = 131472096. Its totient is φ = 27675648.

The previous prime is 65156251. The next prime is 65156279. The reversal of 65156252 is 25265156.

65156252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65156251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7133 + ... + 13460.

It is an arithmetic number, because the mean of its divisors is an integer number (5478004).

Almost surely, 2^65156252 is an apocalyptic number.

It is an amenable number.

65156252 is an abundant number, since it is smaller than the sum of its proper divisors (66315844).

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

65156252 is a wasteful number, since it uses less digits than its factorization.

65156252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20717 (or 20715 counting only the distinct ones).

The product of its digits is 18000, while the sum is 32.

The square root of 65156252 is about 8071.9422693674. The cubic root of 65156252 is about 402.3944957068.

The spelling of 65156252 in words is "sixty-five million, one hundred fifty-six thousand, two hundred fifty-two".