612323953 has 2 divisors, whose sum is σ = 612323954. Its totient is φ = 612323952.

The previous prime is 612323947. The next prime is 612323983. The reversal of 612323953 is 359323216.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 595945744 + 16378209 = 24412^2 + 4047^2 .

It is a cyclic number.

It is not a de Polignac number, because 612323953 - 2¹³ = 612315761 is a prime.

It is not a weakly prime, because it can be changed into another prime (612323983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306161976 + 306161977.

It is an arithmetic number, because the mean of its divisors is an integer number (306161977).

Almost surely, 2^612323953 is an apocalyptic number.

It is an amenable number.

612323953 is a deficient number, since it is larger than the sum of its proper divisors (1).

612323953 is an equidigital number, since it uses as much as digits as its factorization.

612323953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29160, while the sum is 34.

The square root of 612323953 is about 24745.1803994232. The cubic root of 612323953 is about 849.1682535085.

The spelling of 612323953 in words is "six hundred twelve million, three hundred twenty-three thousand, nine hundred fifty-three".