252205453 has 8 divisors (see below), whose sum is σ = 253652760. Its totient is φ = 250762560.

The previous prime is 252205423. The next prime is 252205463. The reversal of 252205453 is 354502252.

It can be written as a sum of positive squares in 4 ways, for example, as 13410244 + 238795209 = 3662^2 + 15453^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 252205453 - 2²⁵ = 218651021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252205403) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 226863 + ... + 227971.

It is an arithmetic number, because the mean of its divisors is an integer number (31706595).

Almost surely, 2^252205453 is an apocalyptic number.

It is an amenable number.

252205453 is a deficient number, since it is larger than the sum of its proper divisors (1447307).

252205453 is a wasteful number, since it uses less digits than its factorization.

252205453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2207.

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 252205453 is about 15880.9777091966. The cubic root of 252205453 is about 631.8075685642.

The spelling of 252205453 in words is "two hundred fifty-two million, two hundred five thousand, four hundred fifty-three".