252129016 has 16 divisors (see below), whose sum is σ = 489043800. Its totient is φ = 121717344.

The previous prime is 252128999. The next prime is 252129037. The reversal of 252129016 is 610921252.

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

It is a congruent 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, 543150 + ... + 543613.

Almost surely, 2^252129016 is an apocalyptic number.

It is an amenable number.

252129016 is a deficient number, since it is larger than the sum of its proper divisors (236914784).

252129016 is a wasteful number, since it uses less digits than its factorization.

252129016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1086798 (or 1086794 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 252129016 is about 15878.5709684468. The cubic root of 252129016 is about 631.7437338952.

The spelling of 252129016 in words is "two hundred fifty-two million, one hundred twenty-nine thousand, sixteen".