252424890 has 32 divisors (see below), whose sum is σ = 673133760. Its totient is φ = 67313232.

The previous prime is 252424883. The next prime is 252424919. The reversal of 252424890 is 98424252.

252424890 is a `hidden beast` number, since 2 + 524 + 2 + 48 + 90 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 467184 + ... + 467723.

It is an arithmetic number, because the mean of its divisors is an integer number (21035430).

Almost surely, 2^252424890 is an apocalyptic number.

252424890 is an abundant number, since it is smaller than the sum of its proper divisors (420708870).

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

252424890 is a wasteful number, since it uses less digits than its factorization.

252424890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 934923 (or 934917 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 252424890 is about 15887.8850071367. The cubic root of 252424890 is about 631.9907548853.

The spelling of 252424890 in words is "two hundred fifty-two million, four hundred twenty-four thousand, eight hundred ninety".