614661371 has 2 divisors, whose sum is σ = 614661372. Its totient is φ = 614661370.

The previous prime is 614661349. The next prime is 614661391. The reversal of 614661371 is 173166416.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-614661371 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (614661391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 307330685 + 307330686.

It is an arithmetic number, because the mean of its divisors is an integer number (307330686).

Almost surely, 2^614661371 is an apocalyptic number.

614661371 is a deficient number, since it is larger than the sum of its proper divisors (1).

614661371 is an equidigital number, since it uses as much as digits as its factorization.

614661371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 35.

The square root of 614661371 is about 24792.3651755939. The cubic root of 614661371 is about 850.2473886606.

The spelling of 614661371 in words is "six hundred fourteen million, six hundred sixty-one thousand, three hundred seventy-one".