25513412 has 24 divisors (see below), whose sum is σ = 45460800. Its totient is φ = 12527136.

The previous prime is 25513393. The next prime is 25513441. The reversal of 25513412 is 21431552.

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 7 ways as a sum of consecutive naturals, for example, 70889 + ... + 71247.

It is an arithmetic number, because the mean of its divisors is an integer number (1894200).

Almost surely, 2^25513412 is an apocalyptic number.

It is an amenable number.

25513412 is a deficient number, since it is larger than the sum of its proper divisors (19947388).

25513412 is a wasteful number, since it uses less digits than its factorization.

25513412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635 (or 633 counting only the distinct ones).

The product of its digits is 1200, while the sum is 23.

The square root of 25513412 is about 5051.0802804945. The cubic root of 25513412 is about 294.3898602614.

Adding to 25513412 its reverse (21431552), we get a palindrome (46944964).

The spelling of 25513412 in words is "twenty-five million, five hundred thirteen thousand, four hundred twelve".