25976220 has 48 divisors (see below), whose sum is σ = 74705568. Its totient is φ = 6739200.

The previous prime is 25976219. The next prime is 25976231. The reversal of 25976220 is 2267952.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3631 + ... + 8070.

It is an arithmetic number, because the mean of its divisors is an integer number (1556366).

Almost surely, 2^25976220 is an apocalyptic number.

25976220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25976220 is an abundant number, since it is smaller than the sum of its proper divisors (48729348).

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

25976220 is a wasteful number, since it uses less digits than its factorization.

25976220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11750 (or 11748 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 25976220 is about 5096.6871593222. The cubic root of 25976220 is about 296.1592611419.

The spelling of 25976220 in words is "twenty-five million, nine hundred seventy-six thousand, two hundred twenty".