1912925 has 24 divisors (see below), whose sum is σ = 2874816. Its totient is φ = 1232640.

The previous prime is 1912921. The next prime is 1912943. The reversal of 1912925 is 5292191.

It is not a de Polignac number, because 1912925 - 2² = 1912921 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1912921) 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 in 23 ways as a sum of consecutive naturals, for example, 2654 + ... + 3296.

It is an arithmetic number, because the mean of its divisors is an integer number (119784).

2^1912925 is an apocalyptic number.

It is an amenable number.

1912925 is a deficient number, since it is larger than the sum of its proper divisors (961891).

1912925 is a wasteful number, since it uses less digits than its factorization.

1912925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677 (or 672 counting only the distinct ones).

The product of its digits is 1620, while the sum is 29.

The square root of 1912925 is about 1383.0853191326. The cubic root of 1912925 is about 124.1364479610.

The spelling of 1912925 in words is "one million, nine hundred twelve thousand, nine hundred twenty-five".