25223403 has 8 divisors (see below), whose sum is σ = 33752016. Its totient is φ = 16755200.

The previous prime is 25223399. The next prime is 25223411. The reversal of 25223403 is 30432252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25223403 - 2² = 25223399 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25223403.

It is not an unprimeable number, because it can be changed into a prime (25223453) 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, 14118 + ... + 15803.

It is an arithmetic number, because the mean of its divisors is an integer number (4219002).

Almost surely, 2^25223403 is an apocalyptic number.

25223403 is a deficient number, since it is larger than the sum of its proper divisors (8528613).

25223403 is a wasteful number, since it uses less digits than its factorization.

25223403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30205.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 25223403 is about 5022.2906128578. The cubic root of 25223403 is about 293.2701713467.

Adding to 25223403 its reverse (30432252), we get a palindrome (55655655).

The spelling of 25223403 in words is "twenty-five million, two hundred twenty-three thousand, four hundred three".