42010477 has 2 divisors, whose sum is σ = 42010478. Its totient is φ = 42010476.

The previous prime is 42010459. The next prime is 42010481. The reversal of 42010477 is 77401024.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30680521 + 11329956 = 5539^2 + 3366^2 .

It is a cyclic number.

It is not a de Polignac number, because 42010477 - 2¹¹ = 42008429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42010427) 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, 21005238 + 21005239.

It is an arithmetic number, because the mean of its divisors is an integer number (21005239).

Almost surely, 2^42010477 is an apocalyptic number.

It is an amenable number.

42010477 is a deficient number, since it is larger than the sum of its proper divisors (1).

42010477 is an equidigital number, since it uses as much as digits as its factorization.

42010477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1568, while the sum is 25.

The square root of 42010477 is about 6481.5489661037. The cubic root of 42010477 is about 347.6315655231.

The spelling of 42010477 in words is "forty-two million, ten thousand, four hundred seventy-seven".