614023321 has 2 divisors, whose sum is σ = 614023322. Its totient is φ = 614023320.

The previous prime is 614023307. The next prime is 614023343. The reversal of 614023321 is 123320416.

It is an a-pointer prime, because the next prime (614023343) can be obtained adding 614023321 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 566963721 + 47059600 = 23811^2 + 6860^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-614023321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 614023292 and 614023301.

It is not a weakly prime, because it can be changed into another prime (614023301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 307011660 + 307011661.

It is an arithmetic number, because the mean of its divisors is an integer number (307011661).

Almost surely, 2^614023321 is an apocalyptic number.

It is an amenable number.

614023321 is a deficient number, since it is larger than the sum of its proper divisors (1).

614023321 is an equidigital number, since it uses as much as digits as its factorization.

614023321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 614023321 is about 24779.4939617418. The cubic root of 614023321 is about 849.9530866842.

Adding to 614023321 its reverse (123320416), we get a palindrome (737343737).

The spelling of 614023321 in words is "six hundred fourteen million, twenty-three thousand, three hundred twenty-one".