25463242 has 12 divisors (see below), whose sum is σ = 44430930. Its totient is φ = 10912776.

The previous prime is 25463233. The next prime is 25463257. The reversal of 25463242 is 24236452.

It can be written as a sum of positive squares in only one way, i.e., 21538881 + 3924361 = 4641^2 + 1981^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 25463242.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 129817 + ... + 130012.

Almost surely, 2^25463242 is an apocalyptic number.

25463242 is a deficient number, since it is larger than the sum of its proper divisors (18967688).

25463242 is a wasteful number, since it uses less digits than its factorization.

25463242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259845 (or 259838 counting only the distinct ones).

The product of its digits is 11520, while the sum is 28.

The square root of 25463242 is about 5046.1115722901. Note that the first 3 decimals coincide. The cubic root of 25463242 is about 294.1967692589.

Adding to 25463242 its reverse (24236452), we get a palindrome (49699694).

The spelling of 25463242 in words is "twenty-five million, four hundred sixty-three thousand, two hundred forty-two".