25949196 has 108 divisors (see below), whose sum is σ = 81648112. Its totient is φ = 6766848.

The previous prime is 25949159. The next prime is 25949227. The reversal of 25949196 is 69194952.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 291520 + ... + 291608.

Almost surely, 2^25949196 is an apocalyptic number.

25949196 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25949196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40824056).

25949196 is an abundant number, since it is smaller than the sum of its proper divisors (55698916).

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

25949196 is a wasteful number, since it uses less digits than its factorization.

25949196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208 (or 114 counting only the distinct ones).

The product of its digits is 174960, while the sum is 45.

The square root of 25949196 is about 5094.0353355665. The cubic root of 25949196 is about 296.0565237807.

It can be divided in two parts, 259 and 49196, that added together give a triangular number (49455 = T₃₁₄).

The spelling of 25949196 in words is "twenty-five million, nine hundred forty-nine thousand, one hundred ninety-six".