1912625 has 32 divisors (see below), whose sum is σ = 2830464. Its totient is φ = 1272000.

The previous prime is 1912621. The next prime is 1912633. The reversal of 1912625 is 5262191.

It is not a de Polignac number, because 1912625 - 2² = 1912621 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1912594 and 1912603.

It is not an unprimeable number, because it can be changed into a prime (1912621) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17822 + ... + 17928.

It is an arithmetic number, because the mean of its divisors is an integer number (88452).

2^1912625 is an apocalyptic number.

It is an amenable number.

1912625 is a deficient number, since it is larger than the sum of its proper divisors (917839).

1912625 is a wasteful number, since it uses less digits than its factorization.

1912625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146 (or 136 counting only the distinct ones).

The product of its digits is 1080, while the sum is 26.

The square root of 1912625 is about 1382.9768617009. The cubic root of 1912625 is about 124.1299582692.

The spelling of 1912625 in words is "one million, nine hundred twelve thousand, six hundred twenty-five".