25303420 has 24 divisors (see below), whose sum is σ = 53689104. Its totient is φ = 10016256.

The previous prime is 25303417. The next prime is 25303423. The reversal of 25303420 is 2430352.

It is an interprime number because it is at equal distance from previous prime (25303417) and next prime (25303423).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25303423) 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, 4582 + ... + 8461.

It is an arithmetic number, because the mean of its divisors is an integer number (2237046).

Almost surely, 2^25303420 is an apocalyptic number.

25303420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25303420 is an abundant number, since it is smaller than the sum of its proper divisors (28385684).

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

25303420 is a wasteful number, since it uses less digits than its factorization.

25303420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13149 (or 13147 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 25303420 is about 5030.2504907808. The cubic root of 25303420 is about 293.5799607425.

Adding to 25303420 its reverse (2430352), we get a palindrome (27733772).

The spelling of 25303420 in words is "twenty-five million, three hundred three thousand, four hundred twenty".