25432235329 has 2 divisors, whose sum is σ = 25432235330. Its totient is φ = 25432235328.

The previous prime is 25432235293. The next prime is 25432235347. The reversal of 25432235329 is 92353223452.

It is a happy number.

Together with previous prime (25432235293) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24383447104 + 1048788225 = 156152^2 + 32385^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25432235329 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25432235291 and 25432235300.

It is not a weakly prime, because it can be changed into another prime (25432235369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12716117664 + 12716117665.

It is an arithmetic number, because the mean of its divisors is an integer number (12716117665).

Almost surely, 2^25432235329 is an apocalyptic number.

It is an amenable number.

25432235329 is a deficient number, since it is larger than the sum of its proper divisors (1).

25432235329 is an equidigital number, since it uses as much as digits as its factorization.

25432235329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 388800, while the sum is 40.

The spelling of 25432235329 in words is "twenty-five billion, four hundred thirty-two million, two hundred thirty-five thousand, three hundred twenty-nine".