252706450 has 12 divisors (see below), whose sum is σ = 470034090. Its totient is φ = 101082560.

The previous prime is 252706439. The next prime is 252706453. The reversal of 252706450 is 54607252.

It can be written as a sum of positive squares in 3 ways, for example, as 246835521 + 5870929 = 15711^2 + 2423^2 .

It is not an unprimeable number, because it can be changed into a prime (252706453) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2527015 + ... + 2527114.

Almost surely, 2^252706450 is an apocalyptic number.

252706450 is a deficient number, since it is larger than the sum of its proper divisors (217327640).

252706450 is a wasteful number, since it uses less digits than its factorization.

252706450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5054141 (or 5054136 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 252706450 is about 15896.7433771826. The cubic root of 252706450 is about 632.2256461400.

The spelling of 252706450 in words is "two hundred fifty-two million, seven hundred six thousand, four hundred fifty".