25504893 has 12 divisors (see below), whose sum is σ = 37445148. Its totient is φ = 16724160.

The previous prime is 25504883. The next prime is 25504901. The reversal of 25504893 is 39840552.

It can be written as a sum of positive squares in 2 ways, for example, as 9847044 + 15657849 = 3138^2 + 3957^2 .

It is not a de Polignac number, because 25504893 - 2¹⁰ = 25503869 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25504873) 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, 22680 + ... + 23777.

It is an arithmetic number, because the mean of its divisors is an integer number (3120429).

Almost surely, 2^25504893 is an apocalyptic number.

It is an amenable number.

25504893 is a deficient number, since it is larger than the sum of its proper divisors (11940255).

25504893 is a wasteful number, since it uses less digits than its factorization.

25504893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46524 (or 46521 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 25504893 is about 5050.2369251353. The cubic root of 25504893 is about 294.3570907465.

The spelling of 25504893 in words is "twenty-five million, five hundred four thousand, eight hundred ninety-three".