52720241 has 8 divisors (see below), whose sum is σ = 60837504. Its totient is φ = 44749440.

The previous prime is 52720237. The next prime is 52720253. The reversal of 52720241 is 14202725.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 52720241 - 2² = 52720237 is a prime.

It is a super-2 number, since 2×52720241² = 5558847622196162, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52720201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35840 + ... + 37281.

It is an arithmetic number, because the mean of its divisors is an integer number (7604688).

Almost surely, 2^52720241 is an apocalyptic number.

It is an amenable number.

52720241 is a deficient number, since it is larger than the sum of its proper divisors (8117263).

52720241 is a wasteful number, since it uses less digits than its factorization.

52720241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73231.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 52720241 is about 7260.8705400937. The cubic root of 52720241 is about 374.9664941916.

Adding to 52720241 its reverse (14202725), we get a palindrome (66922966).

The spelling of 52720241 in words is "fifty-two million, seven hundred twenty thousand, two hundred forty-one".