5212442 has 4 divisors (see below), whose sum is σ = 7818666. Its totient is φ = 2606220.

The previous prime is 5212409. The next prime is 5212447. The reversal of 5212442 is 2442125.

It is a happy number.

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., 2719201 + 2493241 = 1649^2 + 1579^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (5212447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1303109 + ... + 1303112.

Almost surely, 2^5212442 is an apocalyptic number.

5212442 is a deficient number, since it is larger than the sum of its proper divisors (2606224).

5212442 is a wasteful number, since it uses less digits than its factorization.

5212442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2606223.

The product of its digits is 640, while the sum is 20.

The square root of 5212442 is about 2283.0773092473. The cubic root of 5212442 is about 173.3858872530.

Adding to 5212442 its reverse (2442125), we get a palindrome (7654567).

The spelling of 5212442 in words is "five million, two hundred twelve thousand, four hundred forty-two".