426610001 has 4 divisors (see below), whose sum is σ = 428775732. Its totient is φ = 424444272.

The previous prime is 426609979. The next prime is 426610007. The reversal of 426610001 is 100016624.

It is a happy number.

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 224970001 + 201640000 = 14999^2 + 14200^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-426610001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (426610007) 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, 1082570 + ... + 1082963.

It is an arithmetic number, because the mean of its divisors is an integer number (107193933).

Almost surely, 2^426610001 is an apocalyptic number.

It is an amenable number.

426610001 is a deficient number, since it is larger than the sum of its proper divisors (2165731).

426610001 is a wasteful number, since it uses less digits than its factorization.

426610001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2165730.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 426610001 is about 20654.5394768317. The cubic root of 426610001 is about 752.7954938581.

Adding to 426610001 its reverse (100016624), we get a palindrome (526626625).

The spelling of 426610001 in words is "four hundred twenty-six million, six hundred ten thousand, one".