420867263 has 2 divisors, whose sum is σ = 420867264. Its totient is φ = 420867262.

The previous prime is 420867259. The next prime is 420867287. The reversal of 420867263 is 362768024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 420867263 - 2² = 420867259 is a prime.

It is a super-2 number, since 2×420867263² = 354258506130222338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (420867763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210433631 + 210433632.

It is an arithmetic number, because the mean of its divisors is an integer number (210433632).

Almost surely, 2^420867263 is an apocalyptic number.

420867263 is a deficient number, since it is larger than the sum of its proper divisors (1).

420867263 is an equidigital number, since it uses as much as digits as its factorization.

420867263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 38.

The square root of 420867263 is about 20515.0496709123. The cubic root of 420867263 is about 749.4023463919.

The spelling of 420867263 in words is "four hundred twenty million, eight hundred sixty-seven thousand, two hundred sixty-three".