25202012582 has 16 divisors (see below), whose sum is σ = 37878723360. Its totient is φ = 12575790528.

The previous prime is 25202012581. The next prime is 25202012587. The reversal of 25202012582 is 28521020252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25202012581) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5081648 + ... + 5086604.

It is an arithmetic number, because the mean of its divisors is an integer number (2367420210).

Almost surely, 2^25202012582 is an apocalyptic number.

25202012582 is a deficient number, since it is larger than the sum of its proper divisors (12676710778).

25202012582 is a wasteful number, since it uses less digits than its factorization.

25202012582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9535.

The product of its (nonzero) digits is 6400, while the sum is 29.

It can be divided in two parts, 2520 and 2012582, that added together give a palindrome (2015102).

The spelling of 25202012582 in words is "twenty-five billion, two hundred two million, twelve thousand, five hundred eighty-two".