512087369 has 2 divisors, whose sum is σ = 512087370. Its totient is φ = 512087368.

The previous prime is 512087333. The next prime is 512087377. The reversal of 512087369 is 963780215.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 511347769 + 739600 = 22613^2 + 860^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-512087369 is a prime.

It is a super-2 number, since 2×512087369² = 524466946978684322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (512087309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256043684 + 256043685.

It is an arithmetic number, because the mean of its divisors is an integer number (256043685).

Almost surely, 2^512087369 is an apocalyptic number.

It is an amenable number.

512087369 is a deficient number, since it is larger than the sum of its proper divisors (1).

512087369 is an equidigital number, since it uses as much as digits as its factorization.

512087369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 512087369 is about 22629.3475160023. The cubic root of 512087369 is about 800.0455020994.

The spelling of 512087369 in words is "five hundred twelve million, eighty-seven thousand, three hundred sixty-nine".