253525605 has 16 divisors (see below), whose sum is σ = 406555200. Its totient is φ = 134908928.

The previous prime is 253525561. The next prime is 253525633. The reversal of 253525605 is 506525352.

It is a cyclic number.

It is not a de Polignac number, because 253525605 - 2⁶ = 253525541 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12087 + ... + 25556.

It is an arithmetic number, because the mean of its divisors is an integer number (25409700).

Almost surely, 2^253525605 is an apocalyptic number.

It is an amenable number.

253525605 is a deficient number, since it is larger than the sum of its proper divisors (153029595).

253525605 is a wasteful number, since it uses less digits than its factorization.

253525605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38100.

The product of its (nonzero) digits is 45000, while the sum is 33.

The square root of 253525605 is about 15922.4873999008. The cubic root of 253525605 is about 632.9080350262.

The spelling of 253525605 in words is "two hundred fifty-three million, five hundred twenty-five thousand, six hundred five".