252435550 has 24 divisors (see below), whose sum is σ = 497151216. Its totient is φ = 95034240.

The previous prime is 252435541. The next prime is 252435551. The reversal of 252435550 is 55534252.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252435551) 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 11 ways as a sum of consecutive naturals, for example, 147642 + ... + 149341.

It is an arithmetic number, because the mean of its divisors is an integer number (20714634).

Almost surely, 2^252435550 is an apocalyptic number.

252435550 is a deficient number, since it is larger than the sum of its proper divisors (244715666).

252435550 is a wasteful number, since it uses less digits than its factorization.

252435550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297012 (or 297007 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 31.

The square root of 252435550 is about 15888.2204793363. The cubic root of 252435550 is about 631.9996511642. Note that the first 3 decimals are identical.

The spelling of 252435550 in words is "two hundred fifty-two million, four hundred thirty-five thousand, five hundred fifty".