25630994 has 8 divisors (see below), whose sum is σ = 38806128. Its totient is φ = 12695620.

The previous prime is 25630991. The next prime is 25631029. The reversal of 25630994 is 49903652.

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

It is not an unprimeable number, because it can be changed into a prime (25630991) 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, 59672 + ... + 60099.

It is an arithmetic number, because the mean of its divisors is an integer number (4850766).

Almost surely, 2^25630994 is an apocalyptic number.

25630994 is a deficient number, since it is larger than the sum of its proper divisors (13175134).

25630994 is a wasteful number, since it uses less digits than its factorization.

25630994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119880.

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 25630994 is about 5062.7061933318. The cubic root of 25630994 is about 294.8414124149.

The spelling of 25630994 in words is "twenty-five million, six hundred thirty thousand, nine hundred ninety-four".