25223445003 has 32 divisors (see below), whose sum is σ = 38119161600. Its totient is φ = 14739342336.

The previous prime is 25223445001. The next prime is 25223445061. The reversal of 25223445003 is 30054432252.

It is not a de Polignac number, because 25223445003 - 2¹ = 25223445001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25223445001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 163426 + ... + 277767.

It is an arithmetic number, because the mean of its divisors is an integer number (1191223800).

Almost surely, 2^25223445003 is an apocalyptic number.

25223445003 is a deficient number, since it is larger than the sum of its proper divisors (12895716597).

25223445003 is a wasteful number, since it uses less digits than its factorization.

25223445003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441291.

The product of its (nonzero) digits is 28800, while the sum is 30.

Adding to 25223445003 its reverse (30054432252), we get a palindrome (55277877255).

The spelling of 25223445003 in words is "twenty-five billion, two hundred twenty-three million, four hundred forty-five thousand, three".