25343202053247 has 24 divisors (see below), whose sum is σ = 36610988198400. Its totient is φ = 15586949802528.

The previous prime is 25343202053219. The next prime is 25343202053251. The reversal of 25343202053247 is 74235020234352.

It is not a de Polignac number, because 25343202053247 - 2⁸ = 25343202052991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25343202053199 and 25343202053208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25343202053207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13316997 + ... + 15100622.

It is an arithmetic number, because the mean of its divisors is an integer number (1525457841600).

Almost surely, 2^{25343202053247} is an apocalyptic number.

25343202053247 is a deficient number, since it is larger than the sum of its proper divisors (11267786145153).

25343202053247 is a wasteful number, since it uses less digits than its factorization.

25343202053247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28419407 (or 28419394 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 42.

Adding to 25343202053247 its reverse (74235020234352), we get a palindrome (99578222287599).

The spelling of 25343202053247 in words is "twenty-five trillion, three hundred forty-three billion, two hundred two million, fifty-three thousand, two hundred forty-seven".