2601530797 has 4 divisors (see below), whose sum is σ = 2601664380. Its totient is φ = 2601397216.

The previous prime is 2601530779. The next prime is 2601530891. The reversal of 2601530797 is 7970351062.

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 841812196 + 1759718601 = 29014^2 + 41949^2 .

It is a cyclic number.

It is not a de Polignac number, because 2601530797 - 2¹¹ = 2601528749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2601530707) 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, 31288 + ... + 78625.

It is an arithmetic number, because the mean of its divisors is an integer number (650416095).

Almost surely, 2^2601530797 is an apocalyptic number.

It is an amenable number.

2601530797 is a deficient number, since it is larger than the sum of its proper divisors (133583).

2601530797 is a wasteful number, since it uses less digits than its factorization.

2601530797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133582.

The product of its (nonzero) digits is 79380, while the sum is 40.

The square root of 2601530797 is about 51005.2036266889. The cubic root of 2601530797 is about 1375.3386796796.

The spelling of 2601530797 in words is "two billion, six hundred one million, five hundred thirty thousand, seven hundred ninety-seven".