405213463525 has 48 divisors (see below), whose sum is σ = 566069019264. Its totient is φ = 285501300480.

The previous prime is 405213463507. The next prime is 405213463549. The reversal of 405213463525 is 525364312504.

It is not a de Polignac number, because 405213463525 - 2⁵ = 405213463493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2899302 + ... + 3035848.

It is an arithmetic number, because the mean of its divisors is an integer number (11793104568).

Almost surely, 2^405213463525 is an apocalyptic number.

It is an amenable number.

405213463525 is a deficient number, since it is larger than the sum of its proper divisors (160855555739).

405213463525 is a wasteful number, since it uses less digits than its factorization.

405213463525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136990 (or 136985 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 40.

The spelling of 405213463525 in words is "four hundred five billion, two hundred thirteen million, four hundred sixty-three thousand, five hundred twenty-five".