25230012424 has 16 divisors (see below), whose sum is σ = 47315792700. Its totient is φ = 12612467712.

The previous prime is 25230012407. The next prime is 25230012427. The reversal of 25230012424 is 42421003252.

It can be written as a sum of positive squares in 2 ways, for example, as 25106402500 + 123609924 = 158450^2 + 11118^2 .

It is not an unprimeable number, because it can be changed into a prime (25230012427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274737 + ... + 354880.

Almost surely, 2^25230012424 is an apocalyptic number.

It is an amenable number.

25230012424 is a deficient number, since it is larger than the sum of its proper divisors (22085780276).

25230012424 is a wasteful number, since it uses less digits than its factorization.

25230012424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634632 (or 634628 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 25230012424 its reverse (42421003252), we get a palindrome (67651015676).

The spelling of 25230012424 in words is "twenty-five billion, two hundred thirty million, twelve thousand, four hundred twenty-four".