9252405 has 24 divisors (see below), whose sum is σ = 16473912. Its totient is φ = 4800384.

The previous prime is 9252389. The next prime is 9252409. The reversal of 9252405 is 5042529.

9252405 is a `hidden beast` number, since 9 + 252 + 405 = 666.

9252405 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 4955076 + 4297329 = 2226^2 + 2073^2 .

It is not a de Polignac number, because 9252405 - 2⁴ = 9252389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9252409) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1114 + ... + 4443.

It is an arithmetic number, because the mean of its divisors is an integer number (686413).

Almost surely, 2^9252405 is an apocalyptic number.

It is an amenable number.

9252405 is a deficient number, since it is larger than the sum of its proper divisors (7221507).

9252405 is a wasteful number, since it uses less digits than its factorization.

9252405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5605 (or 5602 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 9252405 is about 3041.7766190172. The cubic root of 9252405 is about 209.9350139052.

The spelling of 9252405 in words is "nine million, two hundred fifty-two thousand, four hundred five".