517612427 has 2 divisors, whose sum is σ = 517612428. Its totient is φ = 517612426.

The previous prime is 517612411. The next prime is 517612463. The reversal of 517612427 is 724216715.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 517612427 - 2⁴ = 517612411 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (517612477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258806213 + 258806214.

It is an arithmetic number, because the mean of its divisors is an integer number (258806214).

Almost surely, 2^517612427 is an apocalyptic number.

517612427 is a deficient number, since it is larger than the sum of its proper divisors (1).

517612427 is an equidigital number, since it uses as much as digits as its factorization.

517612427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23520, while the sum is 35.

The square root of 517612427 is about 22751.0972702417. The cubic root of 517612427 is about 802.9125227090.

The spelling of 517612427 in words is "five hundred seventeen million, six hundred twelve thousand, four hundred twenty-seven".