25326580 has 24 divisors (see below), whose sum is σ = 54191592. Its totient is φ = 9939072.

The previous prime is 25326571. The next prime is 25326589. The reversal of 25326580 is 8562352.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (25326571) and next prime (25326589).

It can be written as a sum of positive squares in 4 ways, for example, as 10163344 + 15163236 = 3188^2 + 3894^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25326589) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 10887 + ... + 13006.

It is an arithmetic number, because the mean of its divisors is an integer number (2257983).

Almost surely, 2^25326580 is an apocalyptic number.

25326580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25326580 is an abundant number, since it is smaller than the sum of its proper divisors (28865012).

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

25326580 is a wasteful number, since it uses less digits than its factorization.

25326580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23955 (or 23953 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 25326580 is about 5032.5520364920. The cubic root of 25326580 is about 293.6695038227.

The spelling of 25326580 in words is "twenty-five million, three hundred twenty-six thousand, five hundred eighty".