814925 has 12 divisors (see below), whose sum is σ = 1038996. Its totient is φ = 633600.

The previous prime is 814903. The next prime is 814927. The reversal of 814925 is 529418.

It can be written as a sum of positive squares in 6 ways, for example, as 6724 + 808201 = 82^2 + 899^2 .

It is a de Polignac number, because none of the positive numbers 2^k-814925 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (814927) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 485 + ... + 1365.

It is an arithmetic number, because the mean of its divisors is an integer number (86583).

2⁸¹⁴⁹²⁵ is an apocalyptic number.

It is an amenable number.

814925 is a deficient number, since it is larger than the sum of its proper divisors (224071).

814925 is a wasteful number, since it uses less digits than its factorization.

814925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 928 (or 923 counting only the distinct ones).

The product of its digits is 2880, while the sum is 29.

The square root of 814925 is about 902.7319646495. The cubic root of 814925 is about 93.4055209669.

The spelling of 814925 in words is "eight hundred fourteen thousand, nine hundred twenty-five".