61071119 has 2 divisors, whose sum is σ = 61071120. Its totient is φ = 61071118.

The previous prime is 61071091. The next prime is 61071121. The reversal of 61071119 is 91117016.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61071119 is a prime.

It is a super-2 number, since 2×61071119² = 7459363151824322, which contains 22 as substring.

Together with 61071121, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61071169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30535559 + 30535560.

It is an arithmetic number, because the mean of its divisors is an integer number (30535560).

Almost surely, 2^61071119 is an apocalyptic number.

61071119 is a deficient number, since it is larger than the sum of its proper divisors (1).

61071119 is an equidigital number, since it uses as much as digits as its factorization.

61071119 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378, while the sum is 26.

The square root of 61071119 is about 7814.8012770639. The cubic root of 61071119 is about 393.8026423612.

The spelling of 61071119 in words is "sixty-one million, seventy-one thousand, one hundred nineteen".