42313547 has 2 divisors, whose sum is σ = 42313548. Its totient is φ = 42313546.

The previous prime is 42313511. The next prime is 42313571. The reversal of 42313547 is 74531324.

It is a happy number.

42313547 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42313547 - 2¹⁸ = 42051403 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (42313507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21156773 + 21156774.

It is an arithmetic number, because the mean of its divisors is an integer number (21156774).

Almost surely, 2^42313547 is an apocalyptic number.

42313547 is a deficient number, since it is larger than the sum of its proper divisors (1).

42313547 is an equidigital number, since it uses as much as digits as its factorization.

42313547 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 29.

The square root of 42313547 is about 6504.8863940887. The cubic root of 42313547 is about 348.4655190469.

The spelling of 42313547 in words is "forty-two million, three hundred thirteen thousand, five hundred forty-seven".