52161201 has 12 divisors (see below), whose sum is σ = 76377028. Its totient is φ = 34297344.

The previous prime is 52161181. The next prime is 52161203. The reversal of 52161201 is 10216125.

52161201 is a `hidden beast` number, since 52 + 1 + 612 + 0 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 31911201 + 20250000 = 5649^2 + 4500^2 .

It is not a de Polignac number, because 52161201 - 2¹⁴ = 52144817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52161203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39040 + ... + 40353.

Almost surely, 2^52161201 is an apocalyptic number.

It is an amenable number.

52161201 is a deficient number, since it is larger than the sum of its proper divisors (24215827).

52161201 is a wasteful number, since it uses less digits than its factorization.

52161201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79472 (or 79469 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 52161201 is about 7222.2711801759. The cubic root of 52161201 is about 373.6364130247.

Adding to 52161201 its reverse (10216125), we get a palindrome (62377326).

The spelling of 52161201 in words is "fifty-two million, one hundred sixty-one thousand, two hundred one".