612326947 has 2 divisors, whose sum is σ = 612326948. Its totient is φ = 612326946.

The previous prime is 612326921. The next prime is 612326963. The reversal of 612326947 is 749623216.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-612326947 is a prime.

It is not a weakly prime, because it can be changed into another prime (612326917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306163473 + 306163474.

It is an arithmetic number, because the mean of its divisors is an integer number (306163474).

Almost surely, 2^612326947 is an apocalyptic number.

612326947 is a deficient number, since it is larger than the sum of its proper divisors (1).

612326947 is an equidigital number, since it uses as much as digits as its factorization.

612326947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 40.

The square root of 612326947 is about 24745.2408959784. The cubic root of 612326947 is about 849.1696375284.

The spelling of 612326947 in words is "six hundred twelve million, three hundred twenty-six thousand, nine hundred forty-seven".