25260522 has 64 divisors (see below), whose sum is σ = 60217344. Its totient is φ = 6914880.

The previous prime is 25260517. The next prime is 25260523. The reversal of 25260522 is 22506252.

It is a junction number, because it is equal to n+sod(n) for n = 25260492 and 25260501.

It is not an unprimeable number, because it can be changed into a prime (25260523) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 128128 + ... + 128324.

It is an arithmetic number, because the mean of its divisors is an integer number (940896).

Almost surely, 2^25260522 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25260522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30108672).

25260522 is an abundant number, since it is smaller than the sum of its proper divisors (34956822).

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

25260522 is a wasteful number, since it uses less digits than its factorization.

25260522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 25260522 is about 5025.9846796424. The cubic root of 25260522 is about 293.4139605613.

Adding to 25260522 its reverse (22506252), we get a palindrome (47766774).

The spelling of 25260522 in words is "twenty-five million, two hundred sixty thousand, five hundred twenty-two".