5217442 has 4 divisors (see below), whose sum is σ = 7826166. Its totient is φ = 2608720.

The previous prime is 5217439. The next prime is 5217449. The reversal of 5217442 is 2447125.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4968441 + 249001 = 2229^2 + 499^2 .

It is not an unprimeable number, because it can be changed into a prime (5217449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1304359 + ... + 1304362.

Almost surely, 2^5217442 is an apocalyptic number.

5217442 is a deficient number, since it is larger than the sum of its proper divisors (2608724).

5217442 is a wasteful number, since it uses less digits than its factorization.

5217442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2608723.

The product of its digits is 2240, while the sum is 25.

The square root of 5217442 is about 2284.1720600690. The cubic root of 5217442 is about 173.4413092852.

The spelling of 5217442 in words is "five million, two hundred seventeen thousand, four hundred forty-two".