405662325 has 12 divisors (see below), whose sum is σ = 670695168. Its totient is φ = 216353200.

The previous prime is 405662321. The next prime is 405662333. The reversal of 405662325 is 523266504.

It is not a de Polignac number, because 405662325 - 2² = 405662321 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405662321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2704341 + ... + 2704490.

It is an arithmetic number, because the mean of its divisors is an integer number (55891264).

Almost surely, 2^405662325 is an apocalyptic number.

It is an amenable number.

405662325 is a deficient number, since it is larger than the sum of its proper divisors (265032843).

405662325 is a wasteful number, since it uses less digits than its factorization.

405662325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5408844 (or 5408839 counting only the distinct ones).

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

The square root of 405662325 is about 20141.0606721692. The cubic root of 405662325 is about 740.2667196564.

The spelling of 405662325 in words is "four hundred five million, six hundred sixty-two thousand, three hundred twenty-five".