25233131353 has 4 divisors (see below), whose sum is σ = 25237225188. Its totient is φ = 25229037520.

The previous prime is 25233131347. The next prime is 25233131369. The reversal of 25233131353 is 35313133252.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1717522249 + 23515609104 = 41443^2 + 153348^2 .

It is a cyclic number.

It is not a de Polignac number, because 25233131353 - 2²⁹ = 24696260441 is a prime.

It is a super-2 number, since 2×25233131353² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25233131303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2037658 + ... + 2050003.

It is an arithmetic number, because the mean of its divisors is an integer number (6309306297).

Almost surely, 2^25233131353 is an apocalyptic number.

It is an amenable number.

25233131353 is a deficient number, since it is larger than the sum of its proper divisors (4093835).

25233131353 is an equidigital number, since it uses as much as digits as its factorization.

25233131353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4093834.

The product of its digits is 24300, while the sum is 31.

The spelling of 25233131353 in words is "twenty-five billion, two hundred thirty-three million, one hundred thirty-one thousand, three hundred fifty-three".