25242526 has 16 divisors (see below), whose sum is σ = 40257360. Its totient is φ = 11836800.

The previous prime is 25242517. The next prime is 25242533. The reversal of 25242526 is 62524252.

It is a junction number, because it is equal to n+sod(n) for n = 25242494 and 25242503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 550 + ... + 7126.

It is an arithmetic number, because the mean of its divisors is an integer number (2516085).

Almost surely, 2^25242526 is an apocalyptic number.

25242526 is a deficient number, since it is larger than the sum of its proper divisors (15014834).

25242526 is a wasteful number, since it uses less digits than its factorization.

25242526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6699.

The product of its digits is 9600, while the sum is 28.

The square root of 25242526 is about 5024.1940647232. The cubic root of 25242526 is about 293.3442664084.

Adding to 25242526 its reverse (62524252), we get a palindrome (87766778).

It can be divided in two parts, 2524 and 2526, that added together give a triangular number (5050 = T₁₀₀).

The spelling of 25242526 in words is "twenty-five million, two hundred forty-two thousand, five hundred twenty-six".