1925125 has 8 divisors (see below), whose sum is σ = 2402712. Its totient is φ = 1540000.

The previous prime is 1925117. The next prime is 1925129. The reversal of 1925125 is 5215291.

It can be written as a sum of positive squares in 4 ways, for example, as 37249 + 1887876 = 193^2 + 1374^2 .

It is not a de Polignac number, because 1925125 - 2³ = 1925117 is a prime.

It is a super-2 number, since 2×1925125² = 7412212531250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

1925125 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1925125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1925129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7576 + ... + 7825.

It is an arithmetic number, because the mean of its divisors is an integer number (300339).

2^1925125 is an apocalyptic number.

It is an amenable number.

1925125 is a deficient number, since it is larger than the sum of its proper divisors (477587).

1925125 is an equidigital number, since it uses as much as digits as its factorization.

1925125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15416 (or 15406 counting only the distinct ones).

The product of its digits is 900, while the sum is 25.

The square root of 1925125 is about 1387.4887386930. The cubic root of 1925125 is about 124.3997892560.

The spelling of 1925125 in words is "one million, nine hundred twenty-five thousand, one hundred twenty-five".