25106994 has 48 divisors (see below), whose sum is σ = 62843040. Its totient is φ = 7159680.

The previous prime is 25106987. The next prime is 25107013. The reversal of 25106994 is 49960152.

It is a super-2 number, since 2×25106994² = 1260722295432072, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 364 + ... + 7095.

It is an arithmetic number, because the mean of its divisors is an integer number (1309230).

Almost surely, 2^25106994 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25106994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31421520).

25106994 is an abundant number, since it is smaller than the sum of its proper divisors (37736046).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25106994 is a wasteful number, since it uses less digits than its factorization.

25106994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7495 (or 7492 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 25106994 is about 5010.6879767154. The cubic root of 25106994 is about 292.8183166227.

The spelling of 25106994 in words is "twenty-five million, one hundred six thousand, nine hundred ninety-four".