8925021 has 12 divisors (see below), whose sum is σ = 14733472. Its totient is φ = 5099976.

The previous prime is 8925019. The next prime is 8925023. The reversal of 8925021 is 1205298.

8925021 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (8925019) and next prime (8925023).

It is not a de Polignac number, because 8925021 - 2¹ = 8925019 is a prime.

It is a Duffinian number.

8925021 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8925023) 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, 70771 + ... + 70896.

Almost surely, 2^8925021 is an apocalyptic number.

It is an amenable number.

8925021 is a deficient number, since it is larger than the sum of its proper divisors (5808451).

8925021 is a wasteful number, since it uses less digits than its factorization.

8925021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141680 (or 141677 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 8925021 is about 2987.4773639310. The cubic root of 8925021 is about 207.4291314574.

The spelling of 8925021 in words is "eight million, nine hundred twenty-five thousand, twenty-one".