252750280 has 16 divisors (see below), whose sum is σ = 568688220. Its totient is φ = 101100096.

The previous prime is 252750263. The next prime is 252750287. The reversal of 252750280 is 82057252.

It can be written as a sum of positive squares in 2 ways, for example, as 252619236 + 131044 = 15894^2 + 362^2 .

It is not an unprimeable number, because it can be changed into a prime (252750287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3159339 + ... + 3159418.

Almost surely, 2^252750280 is an apocalyptic number.

252750280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252750280 is an abundant number, since it is smaller than the sum of its proper divisors (315937940).

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

252750280 is a wasteful number, since it uses less digits than its factorization.

252750280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6318768 (or 6318764 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 252750280 is about 15898.1219016587. The cubic root of 252750280 is about 632.2621955938.

The spelling of 252750280 in words is "two hundred fifty-two million, seven hundred fifty thousand, two hundred eighty".