252670745 has 16 divisors (see below), whose sum is σ = 326488320. Its totient is φ = 187017984.

The previous prime is 252670729. The next prime is 252670757. The reversal of 252670745 is 547076252.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 252670745 - 2⁴ = 252670729 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 252670699 and 252670708.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20177 + ... + 30206.

It is an arithmetic number, because the mean of its divisors is an integer number (20405520).

Almost surely, 2^252670745 is an apocalyptic number.

It is an amenable number.

252670745 is a deficient number, since it is larger than the sum of its proper divisors (73817575).

252670745 is a wasteful number, since it uses less digits than its factorization.

252670745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50464.

The product of its (nonzero) digits is 117600, while the sum is 38.

The square root of 252670745 is about 15895.6203087517. The cubic root of 252670745 is about 632.1958689289.

The spelling of 252670745 in words is "two hundred fifty-two million, six hundred seventy thousand, seven hundred forty-five".