612307 has 2 divisors, whose sum is σ = 612308. Its totient is φ = 612306.

The previous prime is 612301. The next prime is 612317. The reversal of 612307 is 703216.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 612307 - 2¹⁵ = 579539 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is the 783-rd Hogben number.

612307 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (612301) by changing a digit.

It is a nontrivial repunit in base 782.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306153 + 306154.

It is an arithmetic number, because the mean of its divisors is an integer number (306154).

2⁶¹²³⁰⁷ is an apocalyptic number.

612307 is a deficient number, since it is larger than the sum of its proper divisors (1).

612307 is an equidigital number, since it uses as much as digits as its factorization.

612307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 612307 is about 782.5004792331. The cubic root of 612307 is about 84.9160416653.

Subtracting 612307 from its reverse (703216), we obtain a palindrome (90909).

It can be divided in two parts, 612 and 307, that added together give a palindrome (919).

The spelling of 612307 in words is "six hundred twelve thousand, three hundred seven".