513820127 has 2 divisors, whose sum is σ = 513820128. Its totient is φ = 513820126.

The previous prime is 513820117. The next prime is 513820157. The reversal of 513820127 is 721028315.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 513820127 - 2¹⁴ = 513803743 is a prime.

It is a super-2 number, since 2×513820127² = 528022245820592258, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 513820127.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (513820117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256910063 + 256910064.

It is an arithmetic number, because the mean of its divisors is an integer number (256910064).

Almost surely, 2^513820127 is an apocalyptic number.

513820127 is a deficient number, since it is larger than the sum of its proper divisors (1).

513820127 is an equidigital number, since it uses as much as digits as its factorization.

513820127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 513820127 is about 22667.6008214367. The cubic root of 513820127 is about 800.9468616865.

The spelling of 513820127 in words is "five hundred thirteen million, eight hundred twenty thousand, one hundred twenty-seven".