253266405 has 32 divisors (see below), whose sum is σ = 467385600. Its totient is φ = 114711552.

The previous prime is 253266353. The next prime is 253266437. The reversal of 253266405 is 504662352.

253266405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 253266405 - 2⁹ = 253265893 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 381 + ... + 22509.

It is an arithmetic number, because the mean of its divisors is an integer number (14605800).

Almost surely, 2^253266405 is an apocalyptic number.

It is an amenable number.

253266405 is a deficient number, since it is larger than the sum of its proper divisors (214119195).

253266405 is a wasteful number, since it uses less digits than its factorization.

253266405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22253.

The product of its (nonzero) digits is 43200, while the sum is 33.

The square root of 253266405 is about 15914.3458866521. The cubic root of 253266405 is about 632.6922702298.

The spelling of 253266405 in words is "two hundred fifty-three million, two hundred sixty-six thousand, four hundred five".