25313513 has 8 divisors (see below), whose sum is σ = 26207232. Its totient is φ = 24430896.

The previous prime is 25313503. The next prime is 25313521. The reversal of 25313513 is 31531352.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25313513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25313503) 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, 2006 + ... + 7392.

It is an arithmetic number, because the mean of its divisors is an integer number (3275904).

Almost surely, 2^25313513 is an apocalyptic number.

It is an amenable number.

25313513 is a deficient number, since it is larger than the sum of its proper divisors (893719).

25313513 is a wasteful number, since it uses less digits than its factorization.

25313513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5551.

The product of its digits is 1350, while the sum is 23.

The square root of 25313513 is about 5031.2536211167. The cubic root of 25313513 is about 293.6189898363.

Adding to 25313513 its reverse (31531352), we get a palindrome (56844865).

The spelling of 25313513 in words is "twenty-five million, three hundred thirteen thousand, five hundred thirteen".