25035533231 has 2 divisors, whose sum is σ = 25035533232. Its totient is φ = 25035533230.

The previous prime is 25035533213. The next prime is 25035533251. The reversal of 25035533231 is 13233553052.

Together with previous prime (25035533213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25035533231 - 2²⁶ = 24968424367 is a prime.

It is a super-2 number, since 2×25035533231² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25035533251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12517766615 + 12517766616.

It is an arithmetic number, because the mean of its divisors is an integer number (12517766616).

Almost surely, 2^25035533231 is an apocalyptic number.

25035533231 is a deficient number, since it is larger than the sum of its proper divisors (1).

25035533231 is an equidigital number, since it uses as much as digits as its factorization.

25035533231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40500, while the sum is 32.

The spelling of 25035533231 in words is "twenty-five billion, thirty-five million, five hundred thirty-three thousand, two hundred thirty-one".