252790505 has 8 divisors (see below), whose sum is σ = 330925824. Its totient is φ = 183847600.

The previous prime is 252790501. The next prime is 252790537. The reversal of 252790505 is 505097252.

252790505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 252790505 - 2² = 252790501 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252790501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2298041 + ... + 2298150.

It is an arithmetic number, because the mean of its divisors is an integer number (41365728).

Almost surely, 2^252790505 is an apocalyptic number.

It is an amenable number.

252790505 is a deficient number, since it is larger than the sum of its proper divisors (78135319).

252790505 is a wasteful number, since it uses less digits than its factorization.

252790505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4596207.

The product of its (nonzero) digits is 31500, while the sum is 35.

The square root of 252790505 is about 15899.3869378665. The cubic root of 252790505 is about 632.2957351514.

The spelling of 252790505 in words is "two hundred fifty-two million, seven hundred ninety thousand, five hundred five".