612234439 has 2 divisors, whose sum is σ = 612234440. Its totient is φ = 612234438.

The previous prime is 612234391. The next prime is 612234461. The reversal of 612234439 is 934432216.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 612234439 - 2¹¹ = 612232391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (612234479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306117219 + 306117220.

It is an arithmetic number, because the mean of its divisors is an integer number (306117220).

Almost surely, 2^612234439 is an apocalyptic number.

612234439 is a deficient number, since it is larger than the sum of its proper divisors (1).

612234439 is an equidigital number, since it uses as much as digits as its factorization.

612234439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 34.

The square root of 612234439 is about 24743.3716174656. The cubic root of 612234439 is about 849.1268722805.

The spelling of 612234439 in words is "six hundred twelve million, two hundred thirty-four thousand, four hundred thirty-nine".