253764605 has 16 divisors (see below), whose sum is σ = 319680000. Its totient is φ = 193126080.

The previous prime is 253764569. The next prime is 253764607. The reversal of 253764605 is 506467352.

It is not a de Polignac number, because 253764605 - 2¹² = 253760509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253764607) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4730 + ... + 23019.

It is an arithmetic number, because the mean of its divisors is an integer number (19980000).

Almost surely, 2^253764605 is an apocalyptic number.

It is an amenable number.

253764605 is a deficient number, since it is larger than the sum of its proper divisors (65915395).

253764605 is a wasteful number, since it uses less digits than its factorization.

253764605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27844.

The product of its (nonzero) digits is 151200, while the sum is 38.

The square root of 253764605 is about 15929.9907407380. The cubic root of 253764605 is about 633.1068545399.

The spelling of 253764605 in words is "two hundred fifty-three million, seven hundred sixty-four thousand, six hundred five".