25130642 has 8 divisors (see below), whose sum is σ = 37724016. Its totient is φ = 12555972.

The previous prime is 25130629. The next prime is 25130653. The reversal of 25130642 is 24603152.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 608 + ... + 7115.

It is an arithmetic number, because the mean of its divisors is an integer number (4715502).

Almost surely, 2^25130642 is an apocalyptic number.

25130642 is a deficient number, since it is larger than the sum of its proper divisors (12593374).

25130642 is a wasteful number, since it uses less digits than its factorization.

25130642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9352.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 25130642 is about 5013.0471771169. The cubic root of 25130642 is about 292.9102218853.

Adding to 25130642 its reverse (24603152), we get a palindrome (49733794).

The spelling of 25130642 in words is "twenty-five million, one hundred thirty thousand, six hundred forty-two".