427497263 has 4 divisors (see below), whose sum is σ = 428489568. Its totient is φ = 426504960.

The previous prime is 427497247. The next prime is 427497269. The reversal of 427497263 is 362794724.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 427497263 - 2⁴ = 427497247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427497269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 495506 + ... + 496367.

It is an arithmetic number, because the mean of its divisors is an integer number (107122392).

Almost surely, 2^427497263 is an apocalyptic number.

427497263 is a deficient number, since it is larger than the sum of its proper divisors (992305).

427497263 is an equidigital number, since it uses as much as digits as its factorization.

427497263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992304.

The product of its digits is 508032, while the sum is 44.

The square root of 427497263 is about 20676.0069404128. The cubic root of 427497263 is about 753.3170196213.

The spelling of 427497263 in words is "four hundred twenty-seven million, four hundred ninety-seven thousand, two hundred sixty-three".