614642071 has 2 divisors, whose sum is σ = 614642072. Its totient is φ = 614642070.

The previous prime is 614642069. The next prime is 614642081. The reversal of 614642071 is 170246416.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 614642071 - 2¹ = 614642069 is a prime.

Together with 614642069, 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 (614642081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 307321035 + 307321036.

It is an arithmetic number, because the mean of its divisors is an integer number (307321036).

Almost surely, 2^614642071 is an apocalyptic number.

614642071 is a deficient number, since it is larger than the sum of its proper divisors (1).

614642071 is an equidigital number, since it uses as much as digits as its factorization.

614642071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 614642071 is about 24791.9759398076. The cubic root of 614642071 is about 850.2384894807.

Adding to 614642071 its reverse (170246416), we get a palindrome (784888487).

The spelling of 614642071 in words is "six hundred fourteen million, six hundred forty-two thousand, seventy-one".