25534430 has 16 divisors (see below), whose sum is σ = 46043424. Its totient is φ = 10195680.

The previous prime is 25534427. The next prime is 25534441. The reversal of 25534430 is 3443552.

It is a self number, because there is not a number n which added to its sum of digits gives 25534430.

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, 4679 + ... + 8541.

It is an arithmetic number, because the mean of its divisors is an integer number (2877714).

Almost surely, 2^25534430 is an apocalyptic number.

25534430 is a deficient number, since it is larger than the sum of its proper divisors (20508994).

25534430 is a wasteful number, since it uses less digits than its factorization.

25534430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4531.

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 25534430 is about 5053.1603972168. The cubic root of 25534430 is about 294.4706777255.

Adding to 25534430 its reverse (3443552), we get a palindrome (28977982).

The spelling of 25534430 in words is "twenty-five million, five hundred thirty-four thousand, four hundred thirty".