2026581201 has 10 divisors (see below), whose sum is σ = 3027362162. Its totient is φ = 1351054080.

The previous prime is 2026581191. The next prime is 2026581217. The reversal of 2026581201 is 1021856202.

It is a happy number.

2026581201 is a `hidden beast` number, since 2 + 0 + 2 + 658 + 1 + 2 + 0 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1995944976 + 30636225 = 44676^2 + 5535^2 .

It is not a de Polignac number, because 2026581201 - 2¹¹ = 2026579153 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2026581241) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 12509680 + ... + 12509841.

Almost surely, 2^2026581201 is an apocalyptic number.

It is an amenable number.

2026581201 is a deficient number, since it is larger than the sum of its proper divisors (1000780961).

2026581201 is an equidigital number, since it uses as much as digits as its factorization.

2026581201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25019533 (or 25019524 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 2026581201 is about 45017.5654717134. The cubic root of 2026581201 is about 1265.4782052626.

The spelling of 2026581201 in words is "two billion, twenty-six million, five hundred eighty-one thousand, two hundred one".