252149672 has 64 divisors (see below), whose sum is σ = 505612800. Its totient is φ = 117711360.

The previous prime is 252149671. The next prime is 252149683. The reversal of 252149672 is 276941252.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (252149671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 958613 + ... + 958875.

It is an arithmetic number, because the mean of its divisors is an integer number (7900200).

Almost surely, 2^252149672 is an apocalyptic number.

It is an amenable number.

252149672 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

252149672 is a wasteful number, since it uses less digits than its factorization.

252149672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426 (or 422 counting only the distinct ones).

The product of its digits is 60480, while the sum is 38.

The square root of 252149672 is about 15879.2213914915. The cubic root of 252149672 is about 631.7609855685.

The spelling of 252149672 in words is "two hundred fifty-two million, one hundred forty-nine thousand, six hundred seventy-two".