25023340432535 has 4 divisors (see below), whose sum is σ = 30028008519048. Its totient is φ = 20018672346024.

The previous prime is 25023340432471. The next prime is 25023340432543. The reversal of 25023340432535 is 53523404332052.

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 25023340432535 - 2⁶ = 25023340432471 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25023340432492 and 25023340432501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2502334043249 + ... + 2502334043258.

It is an arithmetic number, because the mean of its divisors is an integer number (7507002129762).

Almost surely, 2^{25023340432535} is an apocalyptic number.

25023340432535 is a deficient number, since it is larger than the sum of its proper divisors (5004668086513).

25023340432535 is an equidigital number, since it uses as much as digits as its factorization.

25023340432535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5004668086512.

The product of its (nonzero) digits is 1296000, while the sum is 41.

Adding to 25023340432535 its reverse (53523404332052), we get a palindrome (78546744764587).

The spelling of 25023340432535 in words is "twenty-five trillion, twenty-three billion, three hundred forty million, four hundred thirty-two thousand, five hundred thirty-five".