501112387 has 2 divisors, whose sum is σ = 501112388. Its totient is φ = 501112386.

The previous prime is 501112321. The next prime is 501112421. The reversal of 501112387 is 783211105.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 501112387 - 2¹⁵ = 501079619 is a prime.

It is a super-2 number, since 2×501112387² = 502227248809675538, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (501112307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250556193 + 250556194.

It is an arithmetic number, because the mean of its divisors is an integer number (250556194).

Almost surely, 2^501112387 is an apocalyptic number.

501112387 is a deficient number, since it is larger than the sum of its proper divisors (1).

501112387 is an equidigital number, since it uses as much as digits as its factorization.

501112387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 28.

The square root of 501112387 is about 22385.5396852522. The cubic root of 501112387 is about 794.2886914524.

The spelling of 501112387 in words is "five hundred one million, one hundred twelve thousand, three hundred eighty-seven".