25042234085 has 16 divisors (see below), whose sum is σ = 32918605632. Its totient is φ = 18136953600.

The previous prime is 25042234079. The next prime is 25042234117. The reversal of 25042234085 is 58043224052.

It is a happy number.

It is not a de Polignac number, because 25042234085 - 2³² = 20747266789 is a prime.

It is a super-2 number, since 2×25042234085² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 931379 + ... + 957888.

It is an arithmetic number, because the mean of its divisors is an integer number (2057412852).

Almost surely, 2^25042234085 is an apocalyptic number.

It is an amenable number.

25042234085 is a deficient number, since it is larger than the sum of its proper divisors (7876371547).

25042234085 is a wasteful number, since it uses less digits than its factorization.

25042234085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1889524.

The product of its (nonzero) digits is 76800, while the sum is 35.

The spelling of 25042234085 in words is "twenty-five billion, forty-two million, two hundred thirty-four thousand, eighty-five".