1912025 has 6 divisors (see below), whose sum is σ = 2370942. Its totient is φ = 1529600.

The previous prime is 1912019. The next prime is 1912061. The reversal of 1912025 is 5202191.

It can be written as a sum of positive squares in 3 ways, for example, as 26896 + 1885129 = 164^2 + 1373^2 .

It is not a de Polignac number, because 1912025 - 2⁶ = 1911961 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1911988 and 1912006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 38216 + ... + 38265.

It is an arithmetic number, because the mean of its divisors is an integer number (395157).

2^1912025 is an apocalyptic number.

It is an amenable number.

1912025 is a deficient number, since it is larger than the sum of its proper divisors (458917).

1912025 is an equidigital number, since it uses as much as digits as its factorization.

1912025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76491 (or 76486 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 1912025 is about 1382.7599213168. The cubic root of 1912025 is about 124.1169768493.

The spelling of 1912025 in words is "one million, nine hundred twelve thousand, twenty-five".