405324525 has 12 divisors (see below), whose sum is σ = 670136672. Its totient is φ = 216173040.

The previous prime is 405324499. The next prime is 405324533. The reversal of 405324525 is 525423504.

It is not a de Polignac number, because 405324525 - 2²⁴ = 388547309 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 405324492 and 405324501.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2702089 + ... + 2702238.

Almost surely, 2^405324525 is an apocalyptic number.

It is an amenable number.

405324525 is a deficient number, since it is larger than the sum of its proper divisors (264812147).

405324525 is a wasteful number, since it uses less digits than its factorization.

405324525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5404340 (or 5404335 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 30.

The square root of 405324525 is about 20132.6730714031. The cubic root of 405324525 is about 740.0611861996.

The spelling of 405324525 in words is "four hundred five million, three hundred twenty-four thousand, five hundred twenty-five".