25343034351 has 4 divisors (see below), whose sum is σ = 33790712472. Its totient is φ = 16895356232.

The previous prime is 25343034323. The next prime is 25343034389. The reversal of 25343034351 is 15343034352.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25343034351 - 2³⁴ = 8163165167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25343034151) 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, 4223839056 + ... + 4223839061.

It is an arithmetic number, because the mean of its divisors is an integer number (8447678118).

Almost surely, 2^25343034351 is an apocalyptic number.

25343034351 is a deficient number, since it is larger than the sum of its proper divisors (8447678121).

25343034351 is an equidigital number, since it uses as much as digits as its factorization.

25343034351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8447678120.

The product of its (nonzero) digits is 64800, while the sum is 33.

Subtracting from 25343034351 its reverse (15343034352), we obtain a palindrome (9999999999).

The spelling of 25343034351 in words is "twenty-five billion, three hundred forty-three million, thirty-four thousand, three hundred fifty-one".