25045522 has 32 divisors (see below), whose sum is σ = 41893632. Its totient is φ = 11176704.

The previous prime is 25045511. The next prime is 25045523. The reversal of 25045522 is 22554052.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (25045523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53863 + ... + 54325.

It is an arithmetic number, because the mean of its divisors is an integer number (1309176).

Almost surely, 2^25045522 is an apocalyptic number.

25045522 is a deficient number, since it is larger than the sum of its proper divisors (16848110).

25045522 is a wasteful number, since it uses less digits than its factorization.

25045522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562.

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 25045522 is about 5004.5501296320. The cubic root of 25045522 is about 292.5791423898.

Adding to 25045522 its reverse (22554052), we get a palindrome (47599574).

The spelling of 25045522 in words is "twenty-five million, forty-five thousand, five hundred twenty-two".