921370325 has 12 divisors (see below), whose sum is σ = 1202631360. Its totient is φ = 698301360.

The previous prime is 921370321. The next prime is 921370361. The reversal of 921370325 is 523073129.

It is not a de Polignac number, because 921370325 - 2² = 921370321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 921370291 and 921370300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (921370321) 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, 969389 + ... + 970338.

It is an arithmetic number, because the mean of its divisors is an integer number (100219280).

Almost surely, 2^921370325 is an apocalyptic number.

921370325 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

It is an amenable number.

921370325 is a deficient number, since it is larger than the sum of its proper divisors (281261035).

921370325 is a wasteful number, since it uses less digits than its factorization.

921370325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1939756 (or 1939751 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 921370325 is about 30354.0825096065. The cubic root of 921370325 is about 973.0714717336.

The spelling of 921370325 in words is "nine hundred twenty-one million, three hundred seventy thousand, three hundred twenty-five".