426633073 has 2 divisors, whose sum is σ = 426633074. Its totient is φ = 426633072.

The previous prime is 426633061. The next prime is 426633079. The reversal of 426633073 is 370336624.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 340291809 + 86341264 = 18447^2 + 9292^2 .

It is a cyclic number.

It is not a de Polignac number, because 426633073 - 2¹³ = 426624881 is a prime.

It is not a weakly prime, because it can be changed into another prime (426633079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213316536 + 213316537.

It is an arithmetic number, because the mean of its divisors is an integer number (213316537).

Almost surely, 2^426633073 is an apocalyptic number.

It is an amenable number.

426633073 is a deficient number, since it is larger than the sum of its proper divisors (1).

426633073 is an equidigital number, since it uses as much as digits as its factorization.

426633073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 34.

The square root of 426633073 is about 20655.0979905688. The cubic root of 426633073 is about 752.8090645546.

Adding to 426633073 its reverse (370336624), we get a palindrome (796969697).

The spelling of 426633073 in words is "four hundred twenty-six million, six hundred thirty-three thousand, seventy-three".