25474813 has 16 divisors (see below), whose sum is σ = 31499776. Its totient is φ = 20062080.

The previous prime is 25474793. The next prime is 25474831. The reversal of 25474813 is 31847452.

It is a cyclic number.

It is not a de Polignac number, because 25474813 - 2⁹ = 25474301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25474853) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24145 + ... + 25177.

It is an arithmetic number, because the mean of its divisors is an integer number (1968736).

Almost surely, 2^25474813 is an apocalyptic number.

It is an amenable number.

25474813 is a deficient number, since it is larger than the sum of its proper divisors (6024963).

25474813 is a wasteful number, since it uses less digits than its factorization.

25474813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1324.

The product of its digits is 26880, while the sum is 34.

The square root of 25474813 is about 5047.2579684419. The cubic root of 25474813 is about 294.2413254510.

The spelling of 25474813 in words is "twenty-five million, four hundred seventy-four thousand, eight hundred thirteen".