2580455 has 4 divisors (see below), whose sum is σ = 3096552. Its totient is φ = 2064360.

The previous prime is 2580443. The next prime is 2580463. The reversal of 2580455 is 5540852.

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

It is not a de Polignac number, because 2580455 - 2¹⁴ = 2564071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 258041 + ... + 258050.

It is an arithmetic number, because the mean of its divisors is an integer number (774138).

2^2580455 is an apocalyptic number.

2580455 is a deficient number, since it is larger than the sum of its proper divisors (516097).

2580455 is an equidigital number, since it uses as much as digits as its factorization.

2580455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516096.

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 2580455 is about 1606.3794694903. The cubic root of 2580455 is about 137.1614591686.

The spelling of 2580455 in words is "two million, five hundred eighty thousand, four hundred fifty-five".