1904525 has 12 divisors (see below), whose sum is σ = 2699232. Its totient is φ = 1305840.

The previous prime is 1904521. The next prime is 1904531. The reversal of 1904525 is 5254091.

It is not a de Polignac number, because 1904525 - 2² = 1904521 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1904494 and 1904503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1904521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5267 + ... + 5616.

It is an arithmetic number, because the mean of its divisors is an integer number (224936).

2^1904525 is an apocalyptic number.

It is an amenable number.

1904525 is a deficient number, since it is larger than the sum of its proper divisors (794707).

1904525 is a wasteful number, since it uses less digits than its factorization.

1904525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10900 (or 10895 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 1904525 is about 1380.0452891119. The cubic root of 1904525 is about 123.9544794759.

The spelling of 1904525 in words is "one million, nine hundred four thousand, five hundred twenty-five".