25240533245331 has 8 divisors (see below), whose sum is σ = 34289026295760. Its totient is φ = 16509531179232.

The previous prime is 25240533245311. The next prime is 25240533245377. The reversal of 25240533245331 is 13354233504252.

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

It is not a de Polignac number, because 25240533245331 - 2⁶ = 25240533245267 is a prime.

It is a super-2 number, since 2×25240533245331² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25240533245311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79372745896 + ... + 79372746213.

It is an arithmetic number, because the mean of its divisors is an integer number (4286128286970).

Almost surely, 2^{25240533245331} is an apocalyptic number.

25240533245331 is a deficient number, since it is larger than the sum of its proper divisors (9048493050429).

25240533245331 is a wasteful number, since it uses less digits than its factorization.

25240533245331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158745492165.

The product of its (nonzero) digits is 1296000, while the sum is 42.

Adding to 25240533245331 its reverse (13354233504252), we get a palindrome (38594766749583).

The spelling of 25240533245331 in words is "twenty-five trillion, two hundred forty billion, five hundred thirty-three million, two hundred forty-five thousand, three hundred thirty-one".