2578823201 has 4 divisors (see below), whose sum is σ = 2579316804. Its totient is φ = 2578329600.

The previous prime is 2578823179. The next prime is 2578823237. The reversal of 2578823201 is 1023288752.

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 1169571601 + 1409251600 = 34199^2 + 37540^2 .

It is a cyclic number.

It is not a de Polignac number, because 2578823201 - 2¹⁸ = 2578561057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2578823281) 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, 238880 + ... + 249441.

It is an arithmetic number, because the mean of its divisors is an integer number (644829201).

Almost surely, 2^2578823201 is an apocalyptic number.

It is an amenable number.

2578823201 is a deficient number, since it is larger than the sum of its proper divisors (493603).

2578823201 is an equidigital number, since it uses as much as digits as its factorization.

2578823201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493602.

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 2578823201 is about 50782.1149717103. The cubic root of 2578823201 is about 1371.3254086705.

The spelling of 2578823201 in words is "two billion, five hundred seventy-eight million, eight hundred twenty-three thousand, two hundred one".