612223373 has 2 divisors, whose sum is σ = 612223374. Its totient is φ = 612223372.

The previous prime is 612223351. The next prime is 612223429. The reversal of 612223373 is 373322216.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 534395689 + 77827684 = 23117^2 + 8822^2 .

It is a cyclic number.

It is not a de Polignac number, because 612223373 - 2¹⁴ = 612206989 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (612223303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306111686 + 306111687.

It is an arithmetic number, because the mean of its divisors is an integer number (306111687).

Almost surely, 2^612223373 is an apocalyptic number.

It is an amenable number.

612223373 is a deficient number, since it is larger than the sum of its proper divisors (1).

612223373 is an equidigital number, since it uses as much as digits as its factorization.

612223373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 29.

The square root of 612223373 is about 24743.1480010123. The cubic root of 612223373 is about 849.1217563238.

Adding to 612223373 its reverse (373322216), we get a palindrome (985545589).

The spelling of 612223373 in words is "six hundred twelve million, two hundred twenty-three thousand, three hundred seventy-three".