2580479 has 4 divisors (see below), whose sum is σ = 2815080. Its totient is φ = 2345880.

The previous prime is 2580469. The next prime is 2580493. The reversal of 2580479 is 9740852.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2580479 - 2⁴ = 2580463 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 (2580419) 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, 117284 + ... + 117305.

It is an arithmetic number, because the mean of its divisors is an integer number (703770).

2^2580479 is an apocalyptic number.

2580479 is a deficient number, since it is larger than the sum of its proper divisors (234601).

2580479 is a wasteful number, since it uses less digits than its factorization.

2580479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234600.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 2580479 is about 1606.3869396879. The cubic root of 2580479 is about 137.1618843991.

The spelling of 2580479 in words is "two million, five hundred eighty thousand, four hundred seventy-nine".