25120803 has 4 divisors (see below), whose sum is σ = 33494408. Its totient is φ = 16747200.

The previous prime is 25120801. The next prime is 25120829. The reversal of 25120803 is 30802152.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 25120803 - 2¹ = 25120801 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25120803.

It is not an unprimeable number, because it can be changed into a prime (25120801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4186798 + ... + 4186803.

It is an arithmetic number, because the mean of its divisors is an integer number (8373602).

Almost surely, 2^25120803 is an apocalyptic number.

25120803 is a deficient number, since it is larger than the sum of its proper divisors (8373605).

25120803 is an equidigital number, since it uses as much as digits as its factorization.

25120803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8373604.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 25120803 is about 5012.0657417875. The cubic root of 25120803 is about 292.8719907375.

Adding to 25120803 its reverse (30802152), we get a palindrome (55922955).

The spelling of 25120803 in words is "twenty-five million, one hundred twenty thousand, eight hundred three".