426516263 has 2 divisors, whose sum is σ = 426516264. Its totient is φ = 426516262.

The previous prime is 426516239. The next prime is 426516271. The reversal of 426516263 is 362615624.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 426516263 - 2¹⁰ = 426515239 is a prime.

It is a super-2 number, since 2×426516263² = 363832245206970338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (426516203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213258131 + 213258132.

It is an arithmetic number, because the mean of its divisors is an integer number (213258132).

Almost surely, 2^426516263 is an apocalyptic number.

426516263 is a deficient number, since it is larger than the sum of its proper divisors (1).

426516263 is an equidigital number, since it uses as much as digits as its factorization.

426516263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 35.

The square root of 426516263 is about 20652.2701657711. The cubic root of 426516263 is about 752.7403531653.

The spelling of 426516263 in words is "four hundred twenty-six million, five hundred sixteen thousand, two hundred sixty-three".