252187854 has 16 divisors (see below), whose sum is σ = 505026048. Its totient is φ = 83954232.

The previous prime is 252187849. The next prime is 252187867. The reversal of 252187854 is 458781252.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21982 + ... + 31425.

It is an arithmetic number, because the mean of its divisors is an integer number (31564128).

Almost surely, 2^252187854 is an apocalyptic number.

252187854 is an abundant number, since it is smaller than the sum of its proper divisors (252838194).

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

252187854 is a wasteful number, since it uses less digits than its factorization.

252187854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54199.

The product of its digits is 179200, while the sum is 42.

The square root of 252187854 is about 15880.4236089596. The cubic root of 252187854 is about 631.7928722919.

The spelling of 252187854 in words is "two hundred fifty-two million, one hundred eighty-seven thousand, eight hundred fifty-four".