1925929 has 2 divisors, whose sum is σ = 1925930. Its totient is φ = 1925928.

The previous prime is 1925909. The next prime is 1925933. The reversal of 1925929 is 9295291.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1625625 + 300304 = 1275^2 + 548^2 .

It is a cyclic number.

It is not a de Polignac number, because 1925929 - 2⁷ = 1925801 is a prime.

It is not a weakly prime, because it can be changed into another prime (1925909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 962964 + 962965.

It is an arithmetic number, because the mean of its divisors is an integer number (962965).

2^1925929 is an apocalyptic number.

It is an amenable number.

1925929 is a deficient number, since it is larger than the sum of its proper divisors (1).

1925929 is an equidigital number, since it uses as much as digits as its factorization.

1925929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14580, while the sum is 37.

The square root of 1925929 is about 1387.7784405300. The cubic root of 1925929 is about 124.4171047568.

The spelling of 1925929 in words is "one million, nine hundred twenty-five thousand, nine hundred twenty-nine".