612230783 has 2 divisors, whose sum is σ = 612230784. Its totient is φ = 612230782.

The previous prime is 612230777. The next prime is 612230821. The reversal of 612230783 is 387032216.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 612230783 - 2¹⁸ = 611968639 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 (612230713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306115391 + 306115392.

It is an arithmetic number, because the mean of its divisors is an integer number (306115392).

Almost surely, 2^612230783 is an apocalyptic number.

612230783 is a deficient number, since it is larger than the sum of its proper divisors (1).

612230783 is an equidigital number, since it uses as much as digits as its factorization.

612230783 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 612230783 is about 24743.2977389838. The cubic root of 612230783 is about 849.1251820707.

Adding to 612230783 its reverse (387032216), we get a palindrome (999262999).

The spelling of 612230783 in words is "six hundred twelve million, two hundred thirty thousand, seven hundred eighty-three".