426520601 has 16 divisors (see below), whose sum is σ = 469709520. Its totient is φ = 384894720.

The previous prime is 426520583. The next prime is 426520691. The reversal of 426520601 is 106025624.

It can be written as a sum of positive squares in 8 ways, for example, as 74995600 + 351525001 = 8660^2 + 18749^2 .

It is a cyclic number.

It is not a de Polignac number, because 426520601 - 2²² = 422326297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (426520691) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135635 + ... + 138743.

It is an arithmetic number, because the mean of its divisors is an integer number (29356845).

Almost surely, 2^426520601 is an apocalyptic number.

It is an amenable number.

426520601 is a deficient number, since it is larger than the sum of its proper divisors (43188919).

426520601 is a wasteful number, since it uses less digits than its factorization.

426520601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3356.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 426520601 is about 20652.3751902778. The cubic root of 426520601 is about 752.7429051403.

The spelling of 426520601 in words is "four hundred twenty-six million, five hundred twenty thousand, six hundred one".