25430524 has 12 divisors (see below), whose sum is σ = 50861104. Its totient is φ = 10898784.

The previous prime is 25430519. The next prime is 25430543. The reversal of 25430524 is 42503452.

25430524 is an admirable number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 454089 + ... + 454144.

Almost surely, 2^25430524 is an apocalyptic number.

It is an amenable number.

25430524 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

25430524 is a wasteful number, since it uses less digits than its factorization.

25430524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908244 (or 908242 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 25430524 is about 5042.8686280727. The cubic root of 25430524 is about 294.0707096957.

Adding to 25430524 its reverse (42503452), we get a palindrome (67933976).

The spelling of 25430524 in words is "twenty-five million, four hundred thirty thousand, five hundred twenty-four".