252420650 has 12 divisors (see below), whose sum is σ = 469502502. Its totient is φ = 100968240.

The previous prime is 252420629. The next prime is 252420671. The reversal of 252420650 is 56024252.

It is an interprime number because it is at equal distance from previous prime (252420629) and next prime (252420671).

It can be written as a sum of positive squares in 3 ways, for example, as 124255609 + 128165041 = 11147^2 + 11321^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2524157 + ... + 2524256.

Almost surely, 2^252420650 is an apocalyptic number.

252420650 is a deficient number, since it is larger than the sum of its proper divisors (217081852).

252420650 is a wasteful number, since it uses less digits than its factorization.

252420650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5048425 (or 5048420 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 252420650 is about 15887.7515715724. The cubic root of 252420650 is about 631.9872163333.

The spelling of 252420650 in words is "two hundred fifty-two million, four hundred twenty thousand, six hundred fifty".