25383235033 has 8 divisors (see below), whose sum is σ = 27497544200. Its totient is φ = 23430676464.

The previous prime is 25383235001. The next prime is 25383235037. The reversal of 25383235033 is 33053238352.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2081823129 + 23301411904 = 45627^2 + 152648^2 .

It is not a de Polignac number, because 25383235033 - 2⁵ = 25383235001 is a prime.

It is a super-2 number, since 2×25383235033² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25383234983 and 25383235001.

It is not an unprimeable number, because it can be changed into a prime (25383235037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5774598 + ... + 5778991.

It is an arithmetic number, because the mean of its divisors is an integer number (3437193025).

Almost surely, 2^25383235033 is an apocalyptic number.

It is an amenable number.

25383235033 is a deficient number, since it is larger than the sum of its proper divisors (2114309167).

25383235033 is an equidigital number, since it uses as much as digits as its factorization.

25383235033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11553628 (or 11553602 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 37.

The spelling of 25383235033 in words is "twenty-five billion, three hundred eighty-three million, two hundred thirty-five thousand, thirty-three".