15752052 has 18 divisors (see below), whose sum is σ = 39817778. Its totient is φ = 5250672.

The previous prime is 15752041. The next prime is 15752057. The reversal of 15752052 is 25025751.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 10929636 + 4822416 = 3306^2 + 2196^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15752057) 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 5 ways as a sum of consecutive naturals, for example, 218743 + ... + 218814.

Almost surely, 2^15752052 is an apocalyptic number.

15752052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15752052 is an abundant number, since it is smaller than the sum of its proper divisors (24065726).

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

15752052 is a wasteful number, since it uses less digits than its factorization.

15752052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437567 (or 437562 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 27.

The square root of 15752052 is about 3968.8854858764. The cubic root of 15752052 is about 250.6757822939.

The spelling of 15752052 in words is "fifteen million, seven hundred fifty-two thousand, fifty-two".