25416980 has 12 divisors (see below), whose sum is σ = 53375700. Its totient is φ = 10166784.

The previous prime is 25416973. The next prime is 25416983. The reversal of 25416980 is 8961452.

It can be written as a sum of positive squares in 2 ways, for example, as 14776336 + 10640644 = 3844^2 + 3262^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 25416980.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25416983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 635405 + ... + 635444.

It is an arithmetic number, because the mean of its divisors is an integer number (4447975).

Almost surely, 2^25416980 is an apocalyptic number.

25416980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25416980 is an abundant number, since it is smaller than the sum of its proper divisors (27958720).

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

25416980 is a wasteful number, since it uses less digits than its factorization.

25416980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1270858 (or 1270856 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 25416980 is about 5041.5255627637. The cubic root of 25416980 is about 294.0184942166.

The spelling of 25416980 in words is "twenty-five million, four hundred sixteen thousand, nine hundred eighty".