925387321 has 2 divisors, whose sum is σ = 925387322. Its totient is φ = 925387320.

The previous prime is 925387319. The next prime is 925387327. The reversal of 925387321 is 123783529.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 891619600 + 33767721 = 29860^2 + 5811^2 .

It is an emirp because it is prime and its reverse (123783529) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 925387321 - 2¹ = 925387319 is a prime.

Together with 925387319, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (925387327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 462693660 + 462693661.

It is an arithmetic number, because the mean of its divisors is an integer number (462693661).

Almost surely, 2^925387321 is an apocalyptic number.

It is an amenable number.

925387321 is a deficient number, since it is larger than the sum of its proper divisors (1).

925387321 is an equidigital number, since it uses as much as digits as its factorization.

925387321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 40.

The square root of 925387321 is about 30420.1795030864. The cubic root of 925387321 is about 974.4835559054.

The spelling of 925387321 in words is "nine hundred twenty-five million, three hundred eighty-seven thousand, three hundred twenty-one".