42803479 has 2 divisors, whose sum is σ = 42803480. Its totient is φ = 42803478.

The previous prime is 42803471. The next prime is 42803503. The reversal of 42803479 is 97430824.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42803479 - 2³ = 42803471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42803471) 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, 21401739 + 21401740.

It is an arithmetic number, because the mean of its divisors is an integer number (21401740).

Almost surely, 2^42803479 is an apocalyptic number.

42803479 is a deficient number, since it is larger than the sum of its proper divisors (1).

42803479 is an equidigital number, since it uses as much as digits as its factorization.

42803479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 42803479 is about 6542.4367784488. The cubic root of 42803479 is about 349.8052767194.

The spelling of 42803479 in words is "forty-two million, eight hundred three thousand, four hundred seventy-nine".