5642011 has 4 divisors (see below), whose sum is σ = 5973912. Its totient is φ = 5310112.

The previous prime is 5641997. The next prime is 5642017. The reversal of 5642011 is 1102465.

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 5642011 - 2¹⁵ = 5609243 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5642011.

It is not an unprimeable number, because it can be changed into a prime (5642017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165925 + ... + 165958.

It is an arithmetic number, because the mean of its divisors is an integer number (1493478).

Almost surely, 2^5642011 is an apocalyptic number.

5642011 is a deficient number, since it is larger than the sum of its proper divisors (331901).

5642011 is a wasteful number, since it uses less digits than its factorization.

5642011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331900.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 5642011 is about 2375.2917715514. The cubic root of 5642011 is about 178.0237627662.

Adding to 5642011 its reverse (1102465), we get a palindrome (6744476).

The spelling of 5642011 in words is "five million, six hundred forty-two thousand, eleven".