1902725 has 36 divisors (see below), whose sum is σ = 2820132. Its totient is φ = 1267200.

The previous prime is 1902671. The next prime is 1902737. The reversal of 1902725 is 5272091.

It can be written as a sum of positive squares in 6 ways, for example, as 101761 + 1800964 = 319^2 + 1342^2 .

It is not a de Polignac number, because 1902725 - 2⁸ = 1902469 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1902694 and 1902703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 51407 + ... + 51443.

It is an arithmetic number, because the mean of its divisors is an integer number (78337).

2^1902725 is an apocalyptic number.

It is an amenable number.

1902725 is a deficient number, since it is larger than the sum of its proper divisors (917407).

1902725 is a wasteful number, since it uses less digits than its factorization.

1902725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86 (or 70 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 1902725 is about 1379.3929824383. The cubic root of 1902725 is about 123.9154166491.

The spelling of 1902725 in words is "one million, nine hundred two thousand, seven hundred twenty-five".