312063769 has 2 divisors, whose sum is σ = 312063770. Its totient is φ = 312063768.

The previous prime is 312063749. The next prime is 312063853. The reversal of 312063769 is 967360213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 311063769 + 1000000 = 17637^2 + 1000^2 .

It is a cyclic number.

It is not a de Polignac number, because 312063769 - 2¹³ = 312055577 is a prime.

It is a super-2 number, since 2×312063769² = 194767591844970722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (312063709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156031884 + 156031885.

It is an arithmetic number, because the mean of its divisors is an integer number (156031885).

Almost surely, 2^312063769 is an apocalyptic number.

It is an amenable number.

312063769 is a deficient number, since it is larger than the sum of its proper divisors (1).

312063769 is an equidigital number, since it uses as much as digits as its factorization.

312063769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40824, while the sum is 37.

The square root of 312063769 is about 17665.3267447845. The cubic root of 312063769 is about 678.2884936094.

The spelling of 312063769 in words is "three hundred twelve million, sixty-three thousand, seven hundred sixty-nine".