5642311 has 2 divisors, whose sum is σ = 5642312. Its totient is φ = 5642310.

The previous prime is 5642309. The next prime is 5642321. The reversal of 5642311 is 1132465.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5642311 - 2¹ = 5642309 is a prime.

Together with 5642309, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5642321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2821155 + 2821156.

It is an arithmetic number, because the mean of its divisors is an integer number (2821156).

Almost surely, 2^5642311 is an apocalyptic number.

5642311 is a deficient number, since it is larger than the sum of its proper divisors (1).

5642311 is an equidigital number, since it uses as much as digits as its factorization.

5642311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 720, while the sum is 22.

The square root of 5642311 is about 2375.3549208487. The cubic root of 5642311 is about 178.0269180349.

Adding to 5642311 its reverse (1132465), we get a palindrome (6774776).

The spelling of 5642311 in words is "five million, six hundred forty-two thousand, three hundred eleven".