1925945 has 16 divisors (see below), whose sum is σ = 2697600. Its totient is φ = 1319472.

The previous prime is 1925933. The next prime is 1925971. The reversal of 1925945 is 5495291.

It is not a de Polignac number, because 1925945 - 2⁴ = 1925929 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1154 + ... + 2276.

It is an arithmetic number, because the mean of its divisors is an integer number (168600).

2^1925945 is an apocalyptic number.

It is an amenable number.

1925945 is a deficient number, since it is larger than the sum of its proper divisors (771655).

1925945 is an equidigital number, since it uses as much as digits as its factorization.

1925945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1149 (or 1135 counting only the distinct ones).

The product of its digits is 16200, while the sum is 35.

The square root of 1925945 is about 1387.7842051270. The cubic root of 1925945 is about 124.4174492950.

The spelling of 1925945 in words is "one million, nine hundred twenty-five thousand, nine hundred forty-five".