42301477 has 2 divisors, whose sum is σ = 42301478. Its totient is φ = 42301476.

The previous prime is 42301451. The next prime is 42301481. The reversal of 42301477 is 77410324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42003361 + 298116 = 6481^2 + 546^2 .

It is a cyclic number.

It is not a de Polignac number, because 42301477 - 2⁷ = 42301349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42301447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21150738 + 21150739.

It is an arithmetic number, because the mean of its divisors is an integer number (21150739).

Almost surely, 2^42301477 is an apocalyptic number.

It is an amenable number.

42301477 is a deficient number, since it is larger than the sum of its proper divisors (1).

42301477 is an equidigital number, since it uses as much as digits as its factorization.

42301477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 42301477 is about 6503.9585638286. The cubic root of 42301477 is about 348.4323824662.

It can be divided in two parts, 42301 and 477, that added together give a triangular number (42778 = T₂₉₂).

The spelling of 42301477 in words is "forty-two million, three hundred one thousand, four hundred seventy-seven".