921480525 has 216 divisors, whose sum is σ = 2083929120. Its totient is φ = 386830080.

The previous prime is 921480493. The next prime is 921480541. The reversal of 921480525 is 525084129.

921480525 is a `hidden beast` number, since 92 + 1 + 48 + 0 + 525 = 666.

It is not a de Polignac number, because 921480525 - 2⁵ = 921480493 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 921480525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 11102134 + ... + 11102216.

It is an arithmetic number, because the mean of its divisors is an integer number (9647820).

Almost surely, 2^921480525 is an apocalyptic number.

921480525 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

It is an amenable number.

921480525 is an abundant number, since it is smaller than the sum of its proper divisors (1162448595).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

921480525 is a wasteful number, since it uses less digits than its factorization.

921480525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185 (or 170 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 921480525 is about 30355.8976971527. The cubic root of 921480525 is about 973.1102647497.

The spelling of 921480525 in words is "nine hundred twenty-one million, four hundred eighty thousand, five hundred twenty-five".