42727051 has 2 divisors, whose sum is σ = 42727052. Its totient is φ = 42727050.

The previous prime is 42727007. The next prime is 42727073. The reversal of 42727051 is 15072724.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42727051 is a prime.

It is not a weakly prime, because it can be changed into another prime (42727651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21363525 + 21363526.

It is an arithmetic number, because the mean of its divisors is an integer number (21363526).

Almost surely, 2^42727051 is an apocalyptic number.

42727051 is a deficient number, since it is larger than the sum of its proper divisors (1).

42727051 is an equidigital number, since it uses as much as digits as its factorization.

42727051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 42727051 is about 6536.5932258326. The cubic root of 42727051 is about 349.5969537330.

Adding to 42727051 its reverse (15072724), we get a palindrome (57799775).

The spelling of 42727051 in words is "forty-two million, seven hundred twenty-seven thousand, fifty-one".