512142487 has 2 divisors, whose sum is σ = 512142488. Its totient is φ = 512142486.

The previous prime is 512142481. The next prime is 512142517. The reversal of 512142487 is 784241215.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 512142487 - 2¹⁹ = 511618199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (512142481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256071243 + 256071244.

It is an arithmetic number, because the mean of its divisors is an integer number (256071244).

Almost surely, 2^512142487 is an apocalyptic number.

512142487 is a deficient number, since it is larger than the sum of its proper divisors (1).

512142487 is an equidigital number, since it uses as much as digits as its factorization.

512142487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17920, while the sum is 34.

The square root of 512142487 is about 22630.5653265666. The cubic root of 512142487 is about 800.0742050960.

The spelling of 512142487 in words is "five hundred twelve million, one hundred forty-two thousand, four hundred eighty-seven".