25791246 has 48 divisors (see below), whose sum is σ = 63357840. Its totient is φ = 7516800.

The previous prime is 25791229. The next prime is 25791263. The reversal of 25791246 is 64219752.

It is an interprime number because it is at equal distance from previous prime (25791229) and next prime (25791263).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 25791246.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 1546 + ... + 7346.

It is an arithmetic number, because the mean of its divisors is an integer number (1319955).

Almost surely, 2^25791246 is an apocalyptic number.

25791246 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 25791246, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31678920).

25791246 is an abundant number, since it is smaller than the sum of its proper divisors (37566594).

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

25791246 is a wasteful number, since it uses less digits than its factorization.

25791246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5841 (or 5838 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 25791246 is about 5078.5082455383. The cubic root of 25791246 is about 295.4546126620.

The spelling of 25791246 in words is "twenty-five million, seven hundred ninety-one thousand, two hundred forty-six".