25274825 has 6 divisors (see below), whose sum is σ = 31340814. Its totient is φ = 20219840.

The previous prime is 25274803. The next prime is 25274831. The reversal of 25274825 is 52847252.

It can be written as a sum of positive squares in 3 ways, for example, as 4096 + 25270729 = 64^2 + 5027^2 .

It is a de Polignac number, because none of the positive numbers 2^k-25274825 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 505472 + ... + 505521.

It is an arithmetic number, because the mean of its divisors is an integer number (5223469).

Almost surely, 2^25274825 is an apocalyptic number.

25274825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25274825 is a deficient number, since it is larger than the sum of its proper divisors (6065989).

25274825 is a wasteful number, since it uses less digits than its factorization.

25274825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011003 (or 1010998 counting only the distinct ones).

The product of its digits is 44800, while the sum is 35.

The square root of 25274825 is about 5027.4073835328. The cubic root of 25274825 is about 293.4693290139.

The spelling of 25274825 in words is "twenty-five million, two hundred seventy-four thousand, eight hundred twenty-five".