52191241 has 4 divisors (see below), whose sum is σ = 55261332. Its totient is φ = 49121152.

The previous prime is 52191239. The next prime is 52191247. The reversal of 52191241 is 14219125.

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 2 ways, for example, as 41925625 + 10265616 = 6475^2 + 3204^2 .

It is a cyclic number.

It is not a de Polignac number, because 52191241 - 2¹ = 52191239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52191247) 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, 1535020 + ... + 1535053.

It is an arithmetic number, because the mean of its divisors is an integer number (13815333).

Almost surely, 2^52191241 is an apocalyptic number.

It is an amenable number.

52191241 is a deficient number, since it is larger than the sum of its proper divisors (3070091).

52191241 is a wasteful number, since it uses less digits than its factorization.

52191241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3070090.

The product of its digits is 720, while the sum is 25.

The square root of 52191241 is about 7224.3505590468. The cubic root of 52191241 is about 373.7081258665.

It can be divided in two parts, 5219124 and 1, that added together give a palindrome (5219125).

The spelling of 52191241 in words is "fifty-two million, one hundred ninety-one thousand, two hundred forty-one".