25361790 has 48 divisors (see below), whose sum is σ = 64739088. Its totient is φ = 6336768.

The previous prime is 25361767. The next prime is 25361803. The reversal of 25361790 is 9716352.

It is a congruent number.

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, 113619 + ... + 113841.

It is an arithmetic number, because the mean of its divisors is an integer number (1348731).

Almost surely, 2^25361790 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25361790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32369544).

25361790 is an abundant number, since it is smaller than the sum of its proper divisors (39377298).

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

25361790 is a wasteful number, since it uses less digits than its factorization.

25361790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473 (or 250 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 25361790 is about 5036.0490466238. The cubic root of 25361790 is about 293.8055310740.

The spelling of 25361790 in words is "twenty-five million, three hundred sixty-one thousand, seven hundred ninety".