61163273 has 2 divisors, whose sum is σ = 61163274. Its totient is φ = 61163272.

The previous prime is 61163227. The next prime is 61163317. The reversal of 61163273 is 37236116.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48260809 + 12902464 = 6947^2 + 3592^2 .

It is a cyclic number.

It is not a de Polignac number, because 61163273 - 2¹⁸ = 60901129 is a prime.

It is not a weakly prime, because it can be changed into another prime (61163213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30581636 + 30581637.

It is an arithmetic number, because the mean of its divisors is an integer number (30581637).

Almost surely, 2^61163273 is an apocalyptic number.

It is an amenable number.

61163273 is a deficient number, since it is larger than the sum of its proper divisors (1).

61163273 is an equidigital number, since it uses as much as digits as its factorization.

61163273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536, while the sum is 29.

The square root of 61163273 is about 7820.6951737042. The cubic root of 61163273 is about 394.0006205595. Note that the first 3 decimals are identical.

Adding to 61163273 its reverse (37236116), we get a palindrome (98399389).

The spelling of 61163273 in words is "sixty-one million, one hundred sixty-three thousand, two hundred seventy-three".