34542919 has 2 divisors, whose sum is σ = 34542920. Its totient is φ = 34542918.

The previous prime is 34542899. The next prime is 34543009. The reversal of 34542919 is 91924543.

It is a weak prime.

It is an emirp because it is prime and its reverse (91924543) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34542919 - 2²¹ = 32445767 is a prime.

It is a super-2 number, since 2×34542919² = 2386426506081122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34542119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17271459 + 17271460.

It is an arithmetic number, because the mean of its divisors is an integer number (17271460).

Almost surely, 2^34542919 is an apocalyptic number.

34542919 is a deficient number, since it is larger than the sum of its proper divisors (1).

34542919 is an equidigital number, since it uses as much as digits as its factorization.

34542919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38880, while the sum is 37.

The square root of 34542919 is about 5877.3224345785. The cubic root of 34542919 is about 325.6764419915.

It can be divided in two parts, 345 and 42919, that added together give a square (43264 = 208²).

The spelling of 34542919 in words is "thirty-four million, five hundred forty-two thousand, nine hundred nineteen".