25432235293 has 2 divisors, whose sum is σ = 25432235294. Its totient is φ = 25432235292.

The previous prime is 25432235273. The next prime is 25432235329. The reversal of 25432235293 is 39253223452.

It is a happy number.

Together with next prime (25432235329) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15885577444 + 9546657849 = 126038^2 + 97707^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25432235293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25432235273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12716117646 + 12716117647.

It is an arithmetic number, because the mean of its divisors is an integer number (12716117647).

Almost surely, 2^25432235293 is an apocalyptic number.

It is an amenable number.

25432235293 is a deficient number, since it is larger than the sum of its proper divisors (1).

25432235293 is an equidigital number, since it uses as much as digits as its factorization.

25432235293 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 25432235293 in words is "twenty-five billion, four hundred thirty-two million, two hundred thirty-five thousand, two hundred ninety-three".