426513271 has 2 divisors, whose sum is σ = 426513272. Its totient is φ = 426513270.

The previous prime is 426513229. The next prime is 426513277. The reversal of 426513271 is 172315624.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 426513271 - 2²¹ = 424416119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (426513277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213256635 + 213256636.

It is an arithmetic number, because the mean of its divisors is an integer number (213256636).

Almost surely, 2^426513271 is an apocalyptic number.

426513271 is a deficient number, since it is larger than the sum of its proper divisors (1).

426513271 is an equidigital number, since it uses as much as digits as its factorization.

426513271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 31.

The square root of 426513271 is about 20652.1977280870. The cubic root of 426513271 is about 752.7385930101.

Adding to 426513271 its reverse (172315624), we get a palindrome (598828895).

The spelling of 426513271 in words is "four hundred twenty-six million, five hundred thirteen thousand, two hundred seventy-one".