25828502 has 16 divisors (see below), whose sum is σ = 45804960. Its totient is φ = 10687488.

The previous prime is 25828499. The next prime is 25828507. The reversal of 25828502 is 20582852.

It is a happy number.

It is a super-2 number, since 2×25828502² = 1334223031128008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25828507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31403 + ... + 32214.

It is an arithmetic number, because the mean of its divisors is an integer number (2862810).

Almost surely, 2^25828502 is an apocalyptic number.

25828502 is a deficient number, since it is larger than the sum of its proper divisors (19976458).

25828502 is a wasteful number, since it uses less digits than its factorization.

25828502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63655.

The product of its (nonzero) digits is 12800, while the sum is 32.

The square root of 25828502 is about 5082.1749281189. The cubic root of 25828502 is about 295.5968076937.

It can be divided in two parts, 2582850 and 2, that added together give a palindrome (2582852).

The spelling of 25828502 in words is "twenty-five million, eight hundred twenty-eight thousand, five hundred two".