25130334242 has 32 divisors (see below), whose sum is σ = 41176574208. Its totient is φ = 11432693376.

The previous prime is 25130334227. The next prime is 25130334247. The reversal of 25130334242 is 24243303152.

It is a happy number.

It is a super-2 number, since 2×25130334242² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25130334247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4254263 + ... + 4260165.

It is an arithmetic number, because the mean of its divisors is an integer number (1286767944).

Almost surely, 2^25130334242 is an apocalyptic number.

25130334242 is a deficient number, since it is larger than the sum of its proper divisors (16046239966).

25130334242 is a wasteful number, since it uses less digits than its factorization.

25130334242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8234.

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 25130334242 its reverse (24243303152), we get a palindrome (49373637394).

The spelling of 25130334242 in words is "twenty-five billion, one hundred thirty million, three hundred thirty-four thousand, two hundred forty-two".