25233545413 has 4 divisors (see below), whose sum is σ = 25315739680. Its totient is φ = 25151351148.

The previous prime is 25233545339. The next prime is 25233545429. The reversal of 25233545413 is 31454533252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25233545413 - 2⁹ = 25233544901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25233545483) 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, 41096673 + ... + 41097286.

It is an arithmetic number, because the mean of its divisors is an integer number (6328934920).

Almost surely, 2^25233545413 is an apocalyptic number.

It is an amenable number.

25233545413 is a deficient number, since it is larger than the sum of its proper divisors (82194267).

25233545413 is an equidigital number, since it uses as much as digits as its factorization.

25233545413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82194266.

The product of its digits is 216000, while the sum is 37.

The spelling of 25233545413 in words is "twenty-five billion, two hundred thirty-three million, five hundred forty-five thousand, four hundred thirteen".