2564452003 has 4 divisors (see below), whose sum is σ = 2564602768. Its totient is φ = 2564301240.

The previous prime is 2564451997. The next prime is 2564452013. The reversal of 2564452003 is 3002544652.

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

It is a cyclic number.

It is not a de Polignac number, because 2564452003 - 2⁵ = 2564451971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2564452013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46068 + ... + 85153.

It is an arithmetic number, because the mean of its divisors is an integer number (641150692).

Almost surely, 2^2564452003 is an apocalyptic number.

2564452003 is a deficient number, since it is larger than the sum of its proper divisors (150765).

2564452003 is a wasteful number, since it uses less digits than its factorization.

2564452003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150764.

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 2564452003 is about 50640.4186692804. The cubic root of 2564452003 is about 1368.7732999710.

Adding to 2564452003 its reverse (3002544652), we get a palindrome (5566996655).

The spelling of 2564452003 in words is "two billion, five hundred sixty-four million, four hundred fifty-two thousand, three".