252520350 has 24 divisors (see below), whose sum is σ = 626250840. Its totient is φ = 67338720.

The previous prime is 252520349. The next prime is 252520351. The reversal of 252520350 is 53025252.

It is an interprime number because it is at equal distance from previous prime (252520349) and next prime (252520351).

It is a self number, because there is not a number n which added to its sum of digits gives 252520350.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252520351) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 841585 + ... + 841884.

It is an arithmetic number, because the mean of its divisors is an integer number (26093785).

Almost surely, 2^252520350 is an apocalyptic number.

252520350 is an abundant number, since it is smaller than the sum of its proper divisors (373730490).

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

252520350 is a wasteful number, since it uses less digits than its factorization.

252520350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1683484 (or 1683479 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 252520350 is about 15890.8888989886. Note that the first 4 decimals coincide. The cubic root of 252520350 is about 632.0704118928.

The spelling of 252520350 in words is "two hundred fifty-two million, five hundred twenty thousand, three hundred fifty".