25282575613 has 4 divisors (see below), whose sum is σ = 25287417760. Its totient is φ = 25277733468.

The previous prime is 25282575611. The next prime is 25282575649. The reversal of 25282575613 is 31657528252.

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 25282575613 - 2¹ = 25282575611 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 (25282575611) 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, 2413233 + ... + 2423686.

It is an arithmetic number, because the mean of its divisors is an integer number (6321854440).

Almost surely, 2^25282575613 is an apocalyptic number.

It is an amenable number.

25282575613 is a deficient number, since it is larger than the sum of its proper divisors (4842147).

25282575613 is an equidigital number, since it uses as much as digits as its factorization.

25282575613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4842146.

The product of its digits is 1008000, while the sum is 46.

The spelling of 25282575613 in words is "twenty-five billion, two hundred eighty-two million, five hundred seventy-five thousand, six hundred thirteen".