5042161 has 4 divisors (see below), whose sum is σ = 5089392. Its totient is φ = 4994932.

The previous prime is 5042131. The next prime is 5042171. The reversal of 5042161 is 1612405.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5042161 - 2⁷ = 5042033 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5042111) 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, 23455 + ... + 23668.

It is an arithmetic number, because the mean of its divisors is an integer number (1272348).

Almost surely, 2^5042161 is an apocalyptic number.

It is an amenable number.

5042161 is a deficient number, since it is larger than the sum of its proper divisors (47231).

5042161 is a wasteful number, since it uses less digits than its factorization.

5042161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47230.

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

The square root of 5042161 is about 2245.4756734376. The cubic root of 5042161 is about 171.4768786811.

Adding to 5042161 its reverse (1612405), we get a palindrome (6654566).

The spelling of 5042161 in words is "five million, forty-two thousand, one hundred sixty-one".