25241142431 has 8 divisors (see below), whose sum is σ = 26260537344. Its totient is φ = 24234570360.

The previous prime is 25241142403. The next prime is 25241142449. The reversal of 25241142431 is 13424114252.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25241142431 is a prime.

It is a super-2 number, since 2×25241142431² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25241142394 and 25241142403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25241144431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3201695 + ... + 3209568.

It is an arithmetic number, because the mean of its divisors is an integer number (3282567168).

Almost surely, 2^25241142431 is an apocalyptic number.

25241142431 is a deficient number, since it is larger than the sum of its proper divisors (1019394913).

25241142431 is a wasteful number, since it uses less digits than its factorization.

25241142431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6411421.

The product of its digits is 7680, while the sum is 29.

Adding to 25241142431 its reverse (13424114252), we get a palindrome (38665256683).

The spelling of 25241142431 in words is "twenty-five billion, two hundred forty-one million, one hundred forty-two thousand, four hundred thirty-one".