52161203 has 2 divisors, whose sum is σ = 52161204. Its totient is φ = 52161202.

The previous prime is 52161181. The next prime is 52161233. The reversal of 52161203 is 30216125.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52161203 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (52161233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26080601 + 26080602.

It is an arithmetic number, because the mean of its divisors is an integer number (26080602).

Almost surely, 2^52161203 is an apocalyptic number.

52161203 is a deficient number, since it is larger than the sum of its proper divisors (1).

52161203 is an equidigital number, since it uses as much as digits as its factorization.

52161203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 52161203 is about 7222.2713186365. The cubic root of 52161203 is about 373.6364178001.

Adding to 52161203 its reverse (30216125), we get a palindrome (82377328).

The spelling of 52161203 in words is "fifty-two million, one hundred sixty-one thousand, two hundred three".