25961396 has 12 divisors (see below), whose sum is σ = 45478020. Its totient is φ = 12967680.

The previous prime is 25961393. The next prime is 25961399. The reversal of 25961396 is 69316952.

It is an interprime number because it is at equal distance from previous prime (25961393) and next prime (25961399).

It can be written as a sum of positive squares in 2 ways, for example, as 16289296 + 9672100 = 4036^2 + 3110^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25961393) 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, 2276 + ... + 7556.

It is an arithmetic number, because the mean of its divisors is an integer number (3789835).

Almost surely, 2^25961396 is an apocalyptic number.

It is an amenable number.

25961396 is a deficient number, since it is larger than the sum of its proper divisors (19516624).

25961396 is a wasteful number, since it uses less digits than its factorization.

25961396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6514 (or 6512 counting only the distinct ones).

The product of its digits is 87480, while the sum is 41.

The square root of 25961396 is about 5095.2326737844. The cubic root of 25961396 is about 296.1029134479.

The spelling of 25961396 in words is "twenty-five million, nine hundred sixty-one thousand, three hundred ninety-six".