25432235347 has 2 divisors, whose sum is σ = 25432235348. Its totient is φ = 25432235346.

The previous prime is 25432235329. The next prime is 25432235363. The reversal of 25432235347 is 74353223452.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25432235347 - 2²³ = 25423846739 is a prime.

It is not a weakly prime, because it can be changed into another prime (25432235747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12716117673 + 12716117674.

It is an arithmetic number, because the mean of its divisors is an integer number (12716117674).

Almost surely, 2^25432235347 is an apocalyptic number.

25432235347 is a deficient number, since it is larger than the sum of its proper divisors (1).

25432235347 is an equidigital number, since it uses as much as digits as its factorization.

25432235347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 604800, while the sum is 40.

Adding to 25432235347 its reverse (74353223452), we get a palindrome (99785458799).

The spelling of 25432235347 in words is "twenty-five billion, four hundred thirty-two million, two hundred thirty-five thousand, three hundred forty-seven".