614605421 has 2 divisors, whose sum is σ = 614605422. Its totient is φ = 614605420.

The previous prime is 614605373. The next prime is 614605441. The reversal of 614605421 is 124506416.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 590976100 + 23629321 = 24310^2 + 4861^2 .

It is a cyclic number.

It is not a de Polignac number, because 614605421 - 2¹⁸ = 614343277 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (614605441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 307302710 + 307302711.

It is an arithmetic number, because the mean of its divisors is an integer number (307302711).

Almost surely, 2^614605421 is an apocalyptic number.

It is an amenable number.

614605421 is a deficient number, since it is larger than the sum of its proper divisors (1).

614605421 is an equidigital number, since it uses as much as digits as its factorization.

614605421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 614605421 is about 24791.2367783457. The cubic root of 614605421 is about 850.2215897481.

The spelling of 614605421 in words is "six hundred fourteen million, six hundred five thousand, four hundred twenty-one".