25128794 has 16 divisors (see below), whose sum is σ = 38620800. Its totient is φ = 12259104.

The previous prime is 25128791. The next prime is 25128797. The reversal of 25128794 is 49782152.

It is an interprime number because it is at equal distance from previous prime (25128791) and next prime (25128797).

It is not an unprimeable number, because it can be changed into a prime (25128791) 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, 13169 + ... + 14955.

It is an arithmetic number, because the mean of its divisors is an integer number (2413800).

Almost surely, 2^25128794 is an apocalyptic number.

25128794 is a deficient number, since it is larger than the sum of its proper divisors (13492006).

25128794 is a wasteful number, since it uses less digits than its factorization.

25128794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1957.

The product of its digits is 40320, while the sum is 38.

The square root of 25128794 is about 5012.8628546969. The cubic root of 25128794 is about 292.9030419207.

The spelling of 25128794 in words is "twenty-five million, one hundred twenty-eight thousand, seven hundred ninety-four".