252084645 has 12 divisors (see below), whose sum is σ = 436946796. Its totient is φ = 134445120.

The previous prime is 252084631. The next prime is 252084661. The reversal of 252084645 is 546480252.

It is a happy number.

252084645 is a `hidden beast` number, since 2 + 5 + 2 + 0 + 8 + 4 + 645 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 151142436 + 100942209 = 12294^2 + 10047^2 .

It is not a de Polignac number, because 252084645 - 2⁴ = 252084629 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2800896 + ... + 2800985.

It is an arithmetic number, because the mean of its divisors is an integer number (36412233).

Almost surely, 2^252084645 is an apocalyptic number.

It is an amenable number.

252084645 is a deficient number, since it is larger than the sum of its proper divisors (184862151).

252084645 is a wasteful number, since it uses less digits than its factorization.

252084645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5601892 (or 5601889 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

The square root of 252084645 is about 15877.1737094484. The cubic root of 252084645 is about 631.7066725180.

The spelling of 252084645 in words is "two hundred fifty-two million, eighty-four thousand, six hundred forty-five".