25130747 has 4 divisors (see below), whose sum is σ = 25173720. Its totient is φ = 25087776.

The previous prime is 25130741. The next prime is 25130767. The reversal of 25130747 is 74703152.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25130747 - 2²⁰ = 24082171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25130741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20597 + ... + 21782.

It is an arithmetic number, because the mean of its divisors is an integer number (6293430).

Almost surely, 2^25130747 is an apocalyptic number.

25130747 is a deficient number, since it is larger than the sum of its proper divisors (42973).

25130747 is an equidigital number, since it uses as much as digits as its factorization.

25130747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42972.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 25130747 is about 5013.0576497782. The cubic root of 25130747 is about 292.9106298272.

Adding to 25130747 its reverse (74703152), we get a palindrome (99833899).

The spelling of 25130747 in words is "twenty-five million, one hundred thirty thousand, seven hundred forty-seven".