517052423 has 2 divisors, whose sum is σ = 517052424. Its totient is φ = 517052422.

The previous prime is 517052387. The next prime is 517052461. The reversal of 517052423 is 324250715.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 517052423 - 2⁶ = 517052359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (517052623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258526211 + 258526212.

It is an arithmetic number, because the mean of its divisors is an integer number (258526212).

Almost surely, 2^517052423 is an apocalyptic number.

517052423 is a deficient number, since it is larger than the sum of its proper divisors (1).

517052423 is an equidigital number, since it uses as much as digits as its factorization.

517052423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 517052423 is about 22738.7867530350. The cubic root of 517052423 is about 802.6228616606.

The spelling of 517052423 in words is "five hundred seventeen million, fifty-two thousand, four hundred twenty-three".