25103321242 has 8 divisors (see below), whose sum is σ = 37664105076. Its totient is φ = 12548619552.

The previous prime is 25103321233. The next prime is 25103321251. The reversal of 25103321242 is 24212330152.

It is an interprime number because it is at equal distance from previous prime (25103321233) and next prime (25103321251).

It can be written as a sum of positive squares in 2 ways, for example, as 24646174081 + 457147161 = 156991^2 + 21381^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1510203 + ... + 1526734.

Almost surely, 2^25103321242 is an apocalyptic number.

25103321242 is a deficient number, since it is larger than the sum of its proper divisors (12560783834).

25103321242 is a wasteful number, since it uses less digits than its factorization.

25103321242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3041072.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 25103321242 its reverse (24212330152), we get a palindrome (49315651394).

The spelling of 25103321242 in words is "twenty-five billion, one hundred three million, three hundred twenty-one thousand, two hundred forty-two".