42976519 has 2 divisors, whose sum is σ = 42976520. Its totient is φ = 42976518.

The previous prime is 42976511. The next prime is 42976543. The reversal of 42976519 is 91567924.

It is a happy number.

42976519 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42976519 - 2³ = 42976511 is a prime.

It is a super-2 number, since 2×42976519² = 3693962370714722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42976511) 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, 21488259 + 21488260.

It is an arithmetic number, because the mean of its divisors is an integer number (21488260).

Almost surely, 2^42976519 is an apocalyptic number.

42976519 is a deficient number, since it is larger than the sum of its proper divisors (1).

42976519 is an equidigital number, since it uses as much as digits as its factorization.

42976519 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 136080, while the sum is 43.

The square root of 42976519 is about 6555.6478703481. The cubic root of 42976519 is about 350.2760244354.

It can be divided in two parts, 4297 and 6519, that added together give a square (10816 = 104²).

The spelling of 42976519 in words is "forty-two million, nine hundred seventy-six thousand, five hundred nineteen".