312246061 has 2 divisors, whose sum is σ = 312246062. Its totient is φ = 312246060.

The previous prime is 312246059. The next prime is 312246073. The reversal of 312246061 is 160642213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 312228900 + 17161 = 17670^2 + 131^2 .

It is a cyclic number.

It is not a de Polignac number, because 312246061 - 2¹ = 312246059 is a prime.

It is a super-2 number, since 2×312246061² = 194995205220031442, which contains 22 as substring.

Together with 312246059, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312246041) 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, 156123030 + 156123031.

It is an arithmetic number, because the mean of its divisors is an integer number (156123031).

Almost surely, 2^312246061 is an apocalyptic number.

It is an amenable number.

312246061 is a deficient number, since it is larger than the sum of its proper divisors (1).

312246061 is an equidigital number, since it uses as much as digits as its factorization.

312246061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 312246061 is about 17670.4855903849. The cubic root of 312246061 is about 678.4205419386.

Adding to 312246061 its reverse (160642213), we get a palindrome (472888274).

The spelling of 312246061 in words is "three hundred twelve million, two hundred forty-six thousand, sixty-one".