61133227 has 2 divisors, whose sum is σ = 61133228. Its totient is φ = 61133226.

The previous prime is 61133197. The next prime is 61133243. The reversal of 61133227 is 72233116.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61133227 - 2¹¹ = 61131179 is a prime.

It is not a weakly prime, because it can be changed into another prime (61130227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30566613 + 30566614.

It is an arithmetic number, because the mean of its divisors is an integer number (30566614).

Almost surely, 2^61133227 is an apocalyptic number.

61133227 is a deficient number, since it is larger than the sum of its proper divisors (1).

61133227 is an equidigital number, since it uses as much as digits as its factorization.

61133227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1512, while the sum is 25.

The square root of 61133227 is about 7818.7740087561. The cubic root of 61133227 is about 393.9360933738.

The spelling of 61133227 in words is "sixty-one million, one hundred thirty-three thousand, two hundred twenty-seven".