2604487601 has 16 divisors (see below), whose sum is σ = 2786790096. Its totient is φ = 2425552896.

The previous prime is 2604487591. The next prime is 2604487603. The reversal of 2604487601 is 1067844062.

It can be written as a sum of positive squares in 8 ways, for example, as 3385600 + 2601102001 = 1840^2 + 51001^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2604487601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2604487603) 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, 684035 + ... + 687831.

It is an arithmetic number, because the mean of its divisors is an integer number (174174381).

Almost surely, 2^2604487601 is an apocalyptic number.

It is an amenable number.

2604487601 is a deficient number, since it is larger than the sum of its proper divisors (182302495).

2604487601 is a wasteful number, since it uses less digits than its factorization.

2604487601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4228.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 2604487601 is about 51034.1807125381. The cubic root of 2604487601 is about 1375.8595354816.

The spelling of 2604487601 in words is "two billion, six hundred four million, four hundred eighty-seven thousand, six hundred one".