25126452 has 72 divisors (see below), whose sum is σ = 69759144. Its totient is φ = 7577856.

The previous prime is 25126447. The next prime is 25126457. The reversal of 25126452 is 25462152.

25126452 is a `hidden beast` number, since 2 + 5 + 12 + 645 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (25126447) and next prime (25126457).

It can be written as a sum of positive squares in 4 ways, for example, as 86436 + 25040016 = 294^2 + 5004^2 .

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25126457) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24298 + ... + 25310.

It is an arithmetic number, because the mean of its divisors is an integer number (968877).

Almost surely, 2^25126452 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25126452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34879572).

25126452 is an abundant number, since it is smaller than the sum of its proper divisors (44632692).

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

25126452 is a wasteful number, since it uses less digits than its factorization.

25126452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1089 (or 1084 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 25126452 is about 5012.6292502039. The cubic root of 25126452 is about 292.8939421308.

The spelling of 25126452 in words is "twenty-five million, one hundred twenty-six thousand, four hundred fifty-two".