25242361402 has 8 divisors (see below), whose sum is σ = 39509783136. Its totient is φ = 12072433692.

The previous prime is 25242361399. The next prime is 25242361409. The reversal of 25242361402 is 20416324252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (25242361409) 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, 274373448 + ... + 274373539.

It is an arithmetic number, because the mean of its divisors is an integer number (4938722892).

Almost surely, 2^25242361402 is an apocalyptic number.

25242361402 is a deficient number, since it is larger than the sum of its proper divisors (14267421734).

25242361402 is a wasteful number, since it uses less digits than its factorization.

25242361402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548747012.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 25242361402 its reverse (20416324252), we get a palindrome (45658685654).

The spelling of 25242361402 in words is "twenty-five billion, two hundred forty-two million, three hundred sixty-one thousand, four hundred two".