25243120 has 40 divisors (see below), whose sum is σ = 67076064. Its totient is φ = 8654592.

The previous prime is 25243111. The next prime is 25243129. The reversal of 25243120 is 2134252.

It is an interprime number because it is at equal distance from previous prime (25243111) and next prime (25243129).

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25243129) 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, 21979 + ... + 23098.

Almost surely, 2^25243120 is an apocalyptic number.

25243120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25243120 is an abundant number, since it is smaller than the sum of its proper divisors (41832944).

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

25243120 is a wasteful number, since it uses less digits than its factorization.

25243120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45097 (or 45091 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 25243120 is about 5024.2531783341. The cubic root of 25243120 is about 293.3465673552.

Adding to 25243120 its reverse (2134252), we get a palindrome (27377372).

The spelling of 25243120 in words is "twenty-five million, two hundred forty-three thousand, one hundred twenty".