5631013 has 2 divisors, whose sum is σ = 5631014. Its totient is φ = 5631012.

The previous prime is 5631007. The next prime is 5631037. The reversal of 5631013 is 3101365.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3175524 + 2455489 = 1782^2 + 1567^2 .

It is a cyclic number.

It is not a de Polignac number, because 5631013 - 2⁹ = 5630501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5631083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2815506 + 2815507.

It is an arithmetic number, because the mean of its divisors is an integer number (2815507).

Almost surely, 2^5631013 is an apocalyptic number.

It is an amenable number.

5631013 is a deficient number, since it is larger than the sum of its proper divisors (1).

5631013 is an equidigital number, since it uses as much as digits as its factorization.

5631013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 5631013 is about 2372.9755582391. The cubic root of 5631013 is about 177.9080133223.

Adding to 5631013 its reverse (3101365), we get a palindrome (8732378).

The spelling of 5631013 in words is "five million, six hundred thirty-one thousand, thirteen".