5623452013 has 2 divisors, whose sum is σ = 5623452014. Its totient is φ = 5623452012.

The previous prime is 5623451959. The next prime is 5623452041. The reversal of 5623452013 is 3102543265.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5573070409 + 50381604 = 74653^2 + 7098^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5623452013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5623452113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2811726006 + 2811726007.

It is an arithmetic number, because the mean of its divisors is an integer number (2811726007).

Almost surely, 2^5623452013 is an apocalyptic number.

It is an amenable number.

5623452013 is a deficient number, since it is larger than the sum of its proper divisors (1).

5623452013 is an equidigital number, since it uses as much as digits as its factorization.

5623452013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 5623452013 is about 74989.6793765649. The cubic root of 5623452013 is about 1778.2834958079.

Adding to 5623452013 its reverse (3102543265), we get a palindrome (8725995278).

The spelling of 5623452013 in words is "five billion, six hundred twenty-three million, four hundred fifty-two thousand, thirteen".