612547963 has 2 divisors, whose sum is σ = 612547964. Its totient is φ = 612547962.

The previous prime is 612547921. The next prime is 612547967. The reversal of 612547963 is 369745216.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-612547963 is a prime.

It is not a weakly prime, because it can be changed into another prime (612547967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306273981 + 306273982.

It is an arithmetic number, because the mean of its divisors is an integer number (306273982).

Almost surely, 2^612547963 is an apocalyptic number.

612547963 is a deficient number, since it is larger than the sum of its proper divisors (1).

612547963 is an equidigital number, since it uses as much as digits as its factorization.

612547963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 272160, while the sum is 43.

The square root of 612547963 is about 24749.7063214900. The cubic root of 612547963 is about 849.2717929218.

The spelling of 612547963 in words is "six hundred twelve million, five hundred forty-seven thousand, nine hundred sixty-three".