25422003 has 12 divisors (see below), whose sum is σ = 37085568. Its totient is φ = 16779600.

The previous prime is 25421999. The next prime is 25422013. The reversal of 25422003 is 30022452.

It is not a de Polignac number, because 25422003 - 2² = 25421999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25422013) 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 11 ways as a sum of consecutive naturals, for example, 13075 + ... + 14892.

It is an arithmetic number, because the mean of its divisors is an integer number (3090464).

Almost surely, 2^25422003 is an apocalyptic number.

25422003 is a deficient number, since it is larger than the sum of its proper divisors (11663565).

25422003 is a wasteful number, since it uses less digits than its factorization.

25422003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28074 (or 28071 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 25422003 is about 5042.0237008566. The cubic root of 25422003 is about 294.0378612909.

Adding to 25422003 its reverse (30022452), we get a palindrome (55444455).

The spelling of 25422003 in words is "twenty-five million, four hundred twenty-two thousand, three".