612764533 has 2 divisors, whose sum is σ = 612764534. Its totient is φ = 612764532.

The previous prime is 612764531. The next prime is 612764549. The reversal of 612764533 is 335467216.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 540888049 + 71876484 = 23257^2 + 8478^2 .

It is a cyclic number.

It is not a de Polignac number, because 612764533 - 2¹ = 612764531 is a prime.

Together with 612764531, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 612764492 and 612764501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (612764531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306382266 + 306382267.

It is an arithmetic number, because the mean of its divisors is an integer number (306382267).

Almost surely, 2^612764533 is an apocalyptic number.

It is an amenable number.

612764533 is a deficient number, since it is larger than the sum of its proper divisors (1).

612764533 is an equidigital number, since it uses as much as digits as its factorization.

612764533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 37.

The square root of 612764533 is about 24754.0811382689. The cubic root of 612764533 is about 849.3718695043.

The spelling of 612764533 in words is "six hundred twelve million, seven hundred sixty-four thousand, five hundred thirty-three".