25790562 has 126 divisors (see below), whose sum is σ = 71210043. Its totient is φ = 6980904.

The previous prime is 25790561. The next prime is 25790563. The reversal of 25790562 is 26509752.

25790562 is a `hidden beast` number, since 2 + 5 + 7 + 90 + 562 = 666.

It is an interprime number because it is at equal distance from previous prime (25790561) and next prime (25790563).

It can be written as a sum of positive squares in only one way, i.e., 12895281 + 12895281 = 3591^2 + 3591^2 .

It is a tau number, because it is divible by the number of its divisors (126).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=3591.

It is not an unprimeable number, because it can be changed into a prime (25790561) by changing a digit.

It is a polite number, since it can be written in 62 ways as a sum of consecutive naturals, for example, 1357389 + ... + 1357407.

Almost surely, 2^25790562 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25790562

25790562 is an abundant number, since it is smaller than the sum of its proper divisors (45419481).

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

25790562 is an equidigital number, since it uses as much as digits as its factorization.

25790562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72 (or 31 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 25790562 is about 5078.4409024818. The cubic root of 25790562 is about 295.4520007584.

The spelling of 25790562 in words is "twenty-five million, seven hundred ninety thousand, five hundred sixty-two".