614500091 has 2 divisors, whose sum is σ = 614500092. Its totient is φ = 614500090.

The previous prime is 614500063. The next prime is 614500093. The reversal of 614500091 is 190005416.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 614500091 - 2¹⁴ = 614483707 is a prime.

It is a super-2 number, since 2×614500091² = 755220723678016562, which contains 22 as substring.

Together with 614500093, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 614500091.

It is not a weakly prime, because it can be changed into another prime (614500093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 307250045 + 307250046.

It is an arithmetic number, because the mean of its divisors is an integer number (307250046).

Almost surely, 2^614500091 is an apocalyptic number.

614500091 is a deficient number, since it is larger than the sum of its proper divisors (1).

614500091 is an equidigital number, since it uses as much as digits as its factorization.

614500091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 614500091 is about 24789.1123479644. The cubic root of 614500091 is about 850.1730171445.

The spelling of 614500091 in words is "six hundred fourteen million, five hundred thousand, ninety-one".