1925001 has 12 divisors (see below), whose sum is σ = 2994628. Its totient is φ = 1184544.

The previous prime is 1924973. The next prime is 1925017. The reversal of 1925001 is 1005291.

It can be written as a sum of positive squares in 2 ways, for example, as 1071225 + 853776 = 1035^2 + 924^2 .

It is not a de Polignac number, because 1925001 - 2⁵ = 1924969 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1925041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8110 + ... + 8343.

2^1925001 is an apocalyptic number.

It is an amenable number.

1925001 is a deficient number, since it is larger than the sum of its proper divisors (1069627).

1925001 is a wasteful number, since it uses less digits than its factorization.

1925001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16472 (or 16469 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 18.

The square root of 1925001 is about 1387.4440529261. Note that the first 3 decimals coincide. The cubic root of 1925001 is about 124.3971182771.

The spelling of 1925001 in words is "one million, nine hundred twenty-five thousand, one".