25834990 has 8 divisors (see below), whose sum is σ = 46503000. Its totient is φ = 10333992.

The previous prime is 25834981. The next prime is 25834993. The reversal of 25834990 is 9943852.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25834993) 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, 1291740 + ... + 1291759.

It is an arithmetic number, because the mean of its divisors is an integer number (5812875).

Almost surely, 2^25834990 is an apocalyptic number.

25834990 is a deficient number, since it is larger than the sum of its proper divisors (20668010).

25834990 is a wasteful number, since it uses less digits than its factorization.

25834990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2583506.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 25834990 is about 5082.8131974331. The cubic root of 25834990 is about 295.6215564710.

The spelling of 25834990 in words is "twenty-five million, eight hundred thirty-four thousand, nine hundred ninety".