253322805 has 32 divisors (see below), whose sum is σ = 433278720. Its totient is φ = 126072320.

The previous prime is 253322789. The next prime is 253322807. The reversal of 253322805 is 508223352.

It is not a de Polignac number, because 253322805 - 2⁴ = 253322789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253322807) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5191 + ... + 23099.

It is an arithmetic number, because the mean of its divisors is an integer number (13539960).

Almost surely, 2^253322805 is an apocalyptic number.

It is an amenable number.

253322805 is a deficient number, since it is larger than the sum of its proper divisors (179955915).

253322805 is a wasteful number, since it uses less digits than its factorization.

253322805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17981.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 253322805 is about 15916.1177741307. The cubic root of 253322805 is about 632.7392315781.

The spelling of 253322805 in words is "two hundred fifty-three million, three hundred twenty-two thousand, eight hundred five".