25360251321241 has 4 divisors (see below), whose sum is σ = 26695001390800. Its totient is φ = 24025501251684.

The previous prime is 25360251321221. The next prime is 25360251321247. The reversal of 25360251321241 is 14212315206352.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25360251321241 - 2³⁹ = 24810495507353 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25360251321241.

It is not an unprimeable number, because it can be changed into a prime (25360251321247) 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, 667375034751 + ... + 667375034788.

It is an arithmetic number, because the mean of its divisors is an integer number (6673750347700).

Almost surely, 2^{25360251321241} is an apocalyptic number.

It is an amenable number.

25360251321241 is a deficient number, since it is larger than the sum of its proper divisors (1334750069559).

25360251321241 is a wasteful number, since it uses less digits than its factorization.

25360251321241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1334750069558.

The product of its (nonzero) digits is 86400, while the sum is 37.

Adding to 25360251321241 its reverse (14212315206352), we get a palindrome (39572566527593).

The spelling of 25360251321241 in words is "twenty-five trillion, three hundred sixty billion, two hundred fifty-one million, three hundred twenty-one thousand, two hundred forty-one".