61830227 has 2 divisors, whose sum is σ = 61830228. Its totient is φ = 61830226.

The previous prime is 61830217. The next prime is 61830253. The reversal of 61830227 is 72203816.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61830227 - 2⁶ = 61830163 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61830227.

It is not a weakly prime, because it can be changed into another prime (61830217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30915113 + 30915114.

It is an arithmetic number, because the mean of its divisors is an integer number (30915114).

Almost surely, 2^61830227 is an apocalyptic number.

61830227 is a deficient number, since it is larger than the sum of its proper divisors (1).

61830227 is an equidigital number, since it uses as much as digits as its factorization.

61830227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 61830227 is about 7863.2198875524. The cubic root of 61830227 is about 395.4275709742.

The spelling of 61830227 in words is "sixty-one million, eight hundred thirty thousand, two hundred twenty-seven".