2580001481 has 4 divisors (see below), whose sum is σ = 2731766292. Its totient is φ = 2428236672.

The previous prime is 2580001477. The next prime is 2580001579. The reversal of 2580001481 is 1841000852.

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 1836893881 + 743107600 = 42859^2 + 27260^2 .

It is a cyclic number.

It is not a de Polignac number, because 2580001481 - 2² = 2580001477 is a prime.

It is a super-2 number, since 2×2580001481² = 13312815283924386722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2580081481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75882380 + ... + 75882413.

It is an arithmetic number, because the mean of its divisors is an integer number (682941573).

Almost surely, 2^2580001481 is an apocalyptic number.

It is an amenable number.

2580001481 is a deficient number, since it is larger than the sum of its proper divisors (151764811).

2580001481 is a wasteful number, since it uses less digits than its factorization.

2580001481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151764810.

The product of its (nonzero) digits is 2560, while the sum is 29.

The square root of 2580001481 is about 50793.7149753786. The cubic root of 2580001481 is about 1371.5342325085.

The spelling of 2580001481 in words is "two billion, five hundred eighty million, one thousand, four hundred eighty-one".