25242363236 has 24 divisors (see below), whose sum is σ = 45279157560. Its totient is φ = 12305836800.

The previous prime is 25242363199. The next prime is 25242363241. The reversal of 25242363236 is 63236324252.

It can be written as a sum of positive squares in 4 ways, for example, as 50324836 + 25192038400 = 7094^2 + 158720^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 25242363236.

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, 227606 + ... + 319826.

It is an arithmetic number, because the mean of its divisors is an integer number (1886631565).

Almost surely, 2^25242363236 is an apocalyptic number.

It is an amenable number.

25242363236 is a deficient number, since it is larger than the sum of its proper divisors (20036794324).

25242363236 is a wasteful number, since it uses less digits than its factorization.

25242363236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93935 (or 93933 counting only the distinct ones).

The product of its digits is 311040, while the sum is 38.

Adding to 25242363236 its reverse (63236324252), we get a palindrome (88478687488).

The spelling of 25242363236 in words is "twenty-five billion, two hundred forty-two million, three hundred sixty-three thousand, two hundred thirty-six".