52713242 has 8 divisors (see below), whose sum is σ = 81796500. Its totient is φ = 25447744.

The previous prime is 52713223. The next prime is 52713247. The reversal of 52713242 is 24231725.

It can be written as a sum of positive squares in 2 ways, for example, as 49294441 + 3418801 = 7021^2 + 1849^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (52713247) 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, 454367 + ... + 454482.

Almost surely, 2^52713242 is an apocalyptic number.

52713242 is a deficient number, since it is larger than the sum of its proper divisors (29083258).

52713242 is a wasteful number, since it uses less digits than its factorization.

52713242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 908880.

The product of its digits is 3360, while the sum is 26.

The square root of 52713242 is about 7260.3885570953. The cubic root of 52713242 is about 374.9499002700.

Adding to 52713242 its reverse (24231725), we get a palindrome (76944967).

The spelling of 52713242 in words is "fifty-two million, seven hundred thirteen thousand, two hundred forty-two".