25434522 has 12 divisors (see below), whose sum is σ = 55108170. Its totient is φ = 8478168.

The previous prime is 25434517. The next prime is 25434523. The reversal of 25434522 is 22543452.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 23824161 + 1610361 = 4881^2 + 1269^2 .

It is not an unprimeable number, because it can be changed into a prime (25434523) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 706497 + ... + 706532.

Almost surely, 2^25434522 is an apocalyptic number.

25434522 is an abundant number, since it is smaller than the sum of its proper divisors (29673648).

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

25434522 is a wasteful number, since it uses less digits than its factorization.

25434522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1413037 (or 1413034 counting only the distinct ones).

The product of its digits is 9600, while the sum is 27.

The square root of 25434522 is about 5043.2650138576. The cubic root of 25434522 is about 294.0861194331.

Adding to 25434522 its reverse (22543452), we get a palindrome (47977974).

The spelling of 25434522 in words is "twenty-five million, four hundred thirty-four thousand, five hundred twenty-two".