42010481 has 2 divisors, whose sum is σ = 42010482. Its totient is φ = 42010480.

The previous prime is 42010477. The next prime is 42010511. The reversal of 42010481 is 18401024.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37210000 + 4800481 = 6100^2 + 2191^2 .

It is a cyclic number.

It is not a de Polignac number, because 42010481 - 2² = 42010477 is a prime.

It is a super-2 number, since 2×42010481² = 3529761027702722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (42010411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21005240 + 21005241.

It is an arithmetic number, because the mean of its divisors is an integer number (21005241).

Almost surely, 2^42010481 is an apocalyptic number.

It is an amenable number.

42010481 is a deficient number, since it is larger than the sum of its proper divisors (1).

42010481 is an equidigital number, since it uses as much as digits as its factorization.

42010481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 42010481 is about 6481.5492746719. The cubic root of 42010481 is about 347.6315765562.

It can be divided in two parts, 420 and 10481, that added together give a palindrome (10901).

The spelling of 42010481 in words is "forty-two million, ten thousand, four hundred eighty-one".