927872521 has 9 divisors (see below), whose sum is σ = 941752461. Its totient is φ = 914195532.

The previous prime is 927872489. The next prime is 927872591. The reversal of 927872521 is 125278729.

The square root of 927872521 is 30461.

It is a perfect power (a square), and thus also a powerful number.

927872521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 927872521 - 2⁵ = 927872489 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (927872591) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2528080 + ... + 2528446.

Almost surely, 2^927872521 is an apocalyptic number.

927872521 is the 30461-st square number.

927872521 is the 15231-st centered octagonal number.

It is an amenable number.

927872521 is a deficient number, since it is larger than the sum of its proper divisors (13879940).

927872521 is an frugal number, since it uses more digits than its factorization.

927872521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900 (or 450 counting only the distinct ones).

The product of its digits is 141120, while the sum is 43.

The cubic root of 927872521 is about 975.3551267390.

The spelling of 927872521 in words is "nine hundred twenty-seven million, eight hundred seventy-two thousand, five hundred twenty-one".