25233403135 has 4 divisors (see below), whose sum is σ = 30280083768. Its totient is φ = 20186722504.

The previous prime is 25233403133. The next prime is 25233403159. The reversal of 25233403135 is 53130433252.

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 25233403135 - 2¹ = 25233403133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25233403097 and 25233403106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25233403133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2523340309 + ... + 2523340318.

It is an arithmetic number, because the mean of its divisors is an integer number (7570020942).

Almost surely, 2^25233403135 is an apocalyptic number.

25233403135 is a deficient number, since it is larger than the sum of its proper divisors (5046680633).

25233403135 is an equidigital number, since it uses as much as digits as its factorization.

25233403135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5046680632.

The product of its (nonzero) digits is 32400, while the sum is 31.

Adding to 25233403135 its reverse (53130433252), we get a palindrome (78363836387).

The spelling of 25233403135 in words is "twenty-five billion, two hundred thirty-three million, four hundred three thousand, one hundred thirty-five".