25469913 has 8 divisors (see below), whose sum is σ = 38811328. Its totient is φ = 14554224.

The previous prime is 25469903. The next prime is 25469957. The reversal of 25469913 is 31996452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25469913 - 2⁵ = 25469881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25469903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 606406 + ... + 606447.

It is an arithmetic number, because the mean of its divisors is an integer number (4851416).

Almost surely, 2^25469913 is an apocalyptic number.

It is an amenable number.

25469913 is a deficient number, since it is larger than the sum of its proper divisors (13341415).

25469913 is a wasteful number, since it uses less digits than its factorization.

25469913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212863.

The product of its digits is 58320, while the sum is 39.

The square root of 25469913 is about 5046.7725330155. The cubic root of 25469913 is about 294.2224587774. Note that the first 3 decimals are identical.

The spelling of 25469913 in words is "twenty-five million, four hundred sixty-nine thousand, nine hundred thirteen".