426497761 has 4 divisors (see below), whose sum is σ = 426553092. Its totient is φ = 426442432.

The previous prime is 426497759. The next prime is 426497767. The reversal of 426497761 is 167794624.

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

It can be written as a sum of positive squares in 2 ways, for example, as 160807761 + 265690000 = 12681^2 + 16300^2 .

It is a cyclic number.

It is not a de Polignac number, because 426497761 - 2¹ = 426497759 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (426497767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13780 + ... + 32293.

It is an arithmetic number, because the mean of its divisors is an integer number (106638273).

Almost surely, 2^426497761 is an apocalyptic number.

It is an amenable number.

426497761 is a deficient number, since it is larger than the sum of its proper divisors (55331).

426497761 is an equidigital number, since it uses as much as digits as its factorization.

426497761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55330.

The product of its digits is 508032, while the sum is 46.

The square root of 426497761 is about 20651.8222198430. The cubic root of 426497761 is about 752.7294685444.

The spelling of 426497761 in words is "four hundred twenty-six million, four hundred ninety-seven thousand, seven hundred sixty-one".