312545533 has 2 divisors, whose sum is σ = 312545534. Its totient is φ = 312545532.

The previous prime is 312545507. The next prime is 312545539. The reversal of 312545533 is 335545213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 306180004 + 6365529 = 17498^2 + 2523^2 .

It is a cyclic number.

It is not a de Polignac number, because 312545533 - 2⁹ = 312545021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 312545495 and 312545504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312545539) 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, 156272766 + 156272767.

It is an arithmetic number, because the mean of its divisors is an integer number (156272767).

Almost surely, 2^312545533 is an apocalyptic number.

It is an amenable number.

312545533 is a deficient number, since it is larger than the sum of its proper divisors (1).

312545533 is an equidigital number, since it uses as much as digits as its factorization.

312545533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27000, while the sum is 31.

The square root of 312545533 is about 17678.9573504774. The cubic root of 312545533 is about 678.6373613687.

The spelling of 312545533 in words is "three hundred twelve million, five hundred forty-five thousand, five hundred thirty-three".