1925993 has 2 divisors, whose sum is σ = 1925994. Its totient is φ = 1925992.

The previous prime is 1925971. The next prime is 1926007. The reversal of 1925993 is 3995291.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1763584 + 162409 = 1328^2 + 403^2 .

It is a cyclic number.

It is not a de Polignac number, because 1925993 - 2⁶ = 1925929 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1925933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 962996 + 962997.

It is an arithmetic number, because the mean of its divisors is an integer number (962997).

2^1925993 is an apocalyptic number.

It is an amenable number.

1925993 is a deficient number, since it is larger than the sum of its proper divisors (1).

1925993 is an equidigital number, since it uses as much as digits as its factorization.

1925993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21870, while the sum is 38.

The square root of 1925993 is about 1387.8014987742. The cubic root of 1925993 is about 124.4184828980.

The spelling of 1925993 in words is "one million, nine hundred twenty-five thousand, nine hundred ninety-three".