25130513 has 8 divisors (see below), whose sum is σ = 26310336. Its totient is φ = 23958000.

The previous prime is 25130509. The next prime is 25130527. The reversal of 25130513 is 31503152.

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

It is a cyclic number.

It is not a de Polignac number, because 25130513 - 2² = 25130509 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25130563) 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, 5963 + ... + 9263.

It is an arithmetic number, because the mean of its divisors is an integer number (3288792).

Almost surely, 2^25130513 is an apocalyptic number.

25130513 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

25130513 is a deficient number, since it is larger than the sum of its proper divisors (1179823).

25130513 is a wasteful number, since it uses less digits than its factorization.

25130513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3655.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 25130513 is about 5013.0343106745. The cubic root of 25130513 is about 292.9097206979.

Adding to 25130513 its reverse (31503152), we get a palindrome (56633665).

The spelling of 25130513 in words is "twenty-five million, one hundred thirty thousand, five hundred thirteen".