252452645 has 4 divisors (see below), whose sum is σ = 302943180. Its totient is φ = 201962112.

The previous prime is 252452633. The next prime is 252452663. The reversal of 252452645 is 546254252.

252452645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 151831684 + 100620961 = 12322^2 + 10031^2 .

It is a cyclic number.

It is not a de Polignac number, because 252452645 - 2¹² = 252448549 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25245260 + ... + 25245269.

It is an arithmetic number, because the mean of its divisors is an integer number (75735795).

Almost surely, 2^252452645 is an apocalyptic number.

It is an amenable number.

252452645 is a deficient number, since it is larger than the sum of its proper divisors (50490535).

252452645 is an equidigital number, since it uses as much as digits as its factorization.

252452645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50490534.

The product of its digits is 96000, while the sum is 35.

The square root of 252452645 is about 15888.7584474055. The cubic root of 252452645 is about 632.0139172348.

The spelling of 252452645 in words is "two hundred fifty-two million, four hundred fifty-two thousand, six hundred forty-five".