513450271 has 2 divisors, whose sum is σ = 513450272. Its totient is φ = 513450270.

The previous prime is 513450239. The next prime is 513450313. The reversal of 513450271 is 172054315.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 513450271 - 2⁵ = 513450239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (513450071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256725135 + 256725136.

It is an arithmetic number, because the mean of its divisors is an integer number (256725136).

Almost surely, 2^513450271 is an apocalyptic number.

513450271 is a deficient number, since it is larger than the sum of its proper divisors (1).

513450271 is an equidigital number, since it uses as much as digits as its factorization.

513450271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 513450271 is about 22659.4411007862. The cubic root of 513450271 is about 800.7546374083.

The spelling of 513450271 in words is "five hundred thirteen million, four hundred fifty thousand, two hundred seventy-one".