1925321 has 2 divisors, whose sum is σ = 1925322. Its totient is φ = 1925320.

The previous prime is 1925311. The next prime is 1925323. The reversal of 1925321 is 1235291.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1488400 + 436921 = 1220^2 + 661^2 .

It is a cyclic number.

It is not a de Polignac number, because 1925321 - 2⁶ = 1925257 is a prime.

Together with 1925323, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1925323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 962660 + 962661.

It is an arithmetic number, because the mean of its divisors is an integer number (962661).

2^1925321 is an apocalyptic number.

It is an amenable number.

1925321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1925321 is an equidigital number, since it uses as much as digits as its factorization.

1925321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 540, while the sum is 23.

The square root of 1925321 is about 1387.5593680993. The cubic root of 1925321 is about 124.4040108921.

The spelling of 1925321 in words is "one million, nine hundred twenty-five thousand, three hundred twenty-one".