25283020 has 36 divisors (see below), whose sum is σ = 61765200. Its totient is φ = 8668128.

The previous prime is 25283017. The next prime is 25283021. The reversal of 25283020 is 2038252.

It is a super-2 number, since 2×25283020² = 1278462200640800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25282982 and 25283000.

It is not an unprimeable number, because it can be changed into a prime (25283021) 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 11 ways as a sum of consecutive naturals, for example, 11920 + ... + 13879.

It is an arithmetic number, because the mean of its divisors is an integer number (1715700).

Almost surely, 2^25283020 is an apocalyptic number.

25283020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25283020 is an abundant number, since it is smaller than the sum of its proper divisors (36482180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25283020 is a wasteful number, since it uses less digits than its factorization.

25283020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25822 (or 25813 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 25283020 is about 5028.2223498966. Note that the first 3 decimals coincide. The cubic root of 25283020 is about 293.5010433287.

The spelling of 25283020 in words is "twenty-five million, two hundred eighty-three thousand, twenty".