25535022 has 32 divisors (see below), whose sum is σ = 53390880. Its totient is φ = 8131200.

The previous prime is 25535021. The next prime is 25535047. The reversal of 25535022 is 22053552.

It is a junction number, because it is equal to n+sod(n) for n = 25534983 and 25535001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25535021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16848 + ... + 18300.

It is an arithmetic number, because the mean of its divisors is an integer number (1668465).

Almost surely, 2^25535022 is an apocalyptic number.

25535022 is an abundant number, since it is smaller than the sum of its proper divisors (27855858).

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

25535022 is a wasteful number, since it uses less digits than its factorization.

25535022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1588.

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 25535022 is about 5053.2189740798. The cubic root of 25535022 is about 294.4729534148.

Adding to 25535022 its reverse (22053552), we get a palindrome (47588574).

The spelling of 25535022 in words is "twenty-five million, five hundred thirty-five thousand, twenty-two".