1431925 has 24 divisors (see below), whose sum is σ = 1999872. Its totient is φ = 1008000.

The previous prime is 1431923. The next prime is 1431929. The reversal of 1431925 is 5291341.

It is not a de Polignac number, because 1431925 - 2¹ = 1431923 is a prime.

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

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1431925.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1431923) 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 23 ways as a sum of consecutive naturals, for example, 11212 + ... + 11338.

It is an arithmetic number, because the mean of its divisors is an integer number (83328).

2^1431925 is an apocalyptic number.

It is an amenable number.

1431925 is a deficient number, since it is larger than the sum of its proper divisors (567947).

1431925 is a wasteful number, since it uses less digits than its factorization.

1431925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189 (or 184 counting only the distinct ones).

The product of its digits is 1080, while the sum is 25.

The square root of 1431925 is about 1196.6306865529. The cubic root of 1431925 is about 112.7128480699.

The spelling of 1431925 in words is "one million, four hundred thirty-one thousand, nine hundred twenty-five".