61333163 has 2 divisors, whose sum is σ = 61333164. Its totient is φ = 61333162.

The previous prime is 61333091. The next prime is 61333169. The reversal of 61333163 is 36133316.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61333163 - 2¹⁴ = 61316779 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (61333169) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30666581 + 30666582.

It is an arithmetic number, because the mean of its divisors is an integer number (30666582).

Almost surely, 2^61333163 is an apocalyptic number.

61333163 is a deficient number, since it is larger than the sum of its proper divisors (1).

61333163 is an equidigital number, since it uses as much as digits as its factorization.

61333163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2916, while the sum is 26.

The square root of 61333163 is about 7831.5492081708. The cubic root of 61333163 is about 394.3650815726.

Adding to 61333163 its reverse (36133316), we get a palindrome (97466479).

The spelling of 61333163 in words is "sixty-one million, three hundred thirty-three thousand, one hundred sixty-three".