71151427 has 2 divisors, whose sum is σ = 71151428. Its totient is φ = 71151426.

The previous prime is 71151403. The next prime is 71151449. The reversal of 71151427 is 72415117.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 71151427 - 2⁷ = 71151299 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 71151395 and 71151404.

It is not a weakly prime, because it can be changed into another prime (71151497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35575713 + 35575714.

It is an arithmetic number, because the mean of its divisors is an integer number (35575714).

Almost surely, 2^71151427 is an apocalyptic number.

71151427 is a deficient number, since it is larger than the sum of its proper divisors (1).

71151427 is an equidigital number, since it uses as much as digits as its factorization.

71151427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1960, while the sum is 28.

The square root of 71151427 is about 8435.1305265538. The cubic root of 71151427 is about 414.3759469444.

The spelling of 71151427 in words is "seventy-one million, one hundred fifty-one thousand, four hundred twenty-seven".