25401462343 has 4 divisors (see below), whose sum is σ = 25404176608. Its totient is φ = 25398748080.

The previous prime is 25401462323. The next prime is 25401462347. The reversal of 25401462343 is 34326410452.

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 25401462343 - 2¹⁷ = 25401331271 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25401462299 and 25401462308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25401462347) 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, 1343046 + ... + 1361827.

It is an arithmetic number, because the mean of its divisors is an integer number (6351044152).

Almost surely, 2^25401462343 is an apocalyptic number.

25401462343 is a deficient number, since it is larger than the sum of its proper divisors (2714265).

25401462343 is an equidigital number, since it uses as much as digits as its factorization.

25401462343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2714264.

The product of its (nonzero) digits is 69120, while the sum is 34.

Adding to 25401462343 its reverse (34326410452), we get a palindrome (59727872795).

The spelling of 25401462343 in words is "twenty-five billion, four hundred one million, four hundred sixty-two thousand, three hundred forty-three".