42794519 has 2 divisors, whose sum is σ = 42794520. Its totient is φ = 42794518.

The previous prime is 42794483. The next prime is 42794527. The reversal of 42794519 is 91549724.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42794519 is a prime.

It is a super-2 number, since 2×42794519² = 3662741712882722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42794579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21397259 + 21397260.

It is an arithmetic number, because the mean of its divisors is an integer number (21397260).

Almost surely, 2^42794519 is an apocalyptic number.

42794519 is a deficient number, since it is larger than the sum of its proper divisors (1).

42794519 is an equidigital number, since it uses as much as digits as its factorization.

42794519 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 41.

The square root of 42794519 is about 6541.7519824585. The cubic root of 42794519 is about 349.7808669122.

The spelling of 42794519 in words is "forty-two million, seven hundred ninety-four thousand, five hundred nineteen".