52012242 has 12 divisors (see below), whose sum is σ = 112693230. Its totient is φ = 17337408.

The previous prime is 52012237. The next prime is 52012249. The reversal of 52012242 is 24221025.

It can be written as a sum of positive squares in only one way, i.e., 37564641 + 14447601 = 6129^2 + 3801^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 2889569 = 52012242 / (5 + 2 + 0 + 1 + 2 + 2 + 4 + 2).

It is not an unprimeable number, because it can be changed into a prime (52012249) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1444767 + ... + 1444802.

Almost surely, 2^52012242 is an apocalyptic number.

52012242 is an abundant number, since it is smaller than the sum of its proper divisors (60680988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52012242 is a wasteful number, since it uses less digits than its factorization.

52012242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2889577 (or 2889574 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 52012242 is about 7211.9513309506. The cubic root of 52012242 is about 373.2804040255.

Adding to 52012242 its reverse (24221025), we get a palindrome (76233267).

The spelling of 52012242 in words is "fifty-two million, twelve thousand, two hundred forty-two".