2558971 has 4 divisors (see below), whose sum is σ = 2570472. Its totient is φ = 2547472.

The previous prime is 2558953. The next prime is 2559013. The reversal of 2558971 is 1798552.

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 2558971 - 2¹⁷ = 2427899 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2558971.

It is not an unprimeable number, because it can be changed into a prime (2558951) 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, 5410 + ... + 5863.

It is an arithmetic number, because the mean of its divisors is an integer number (642618).

2^2558971 is an apocalyptic number.

2558971 is a deficient number, since it is larger than the sum of its proper divisors (11501).

2558971 is a wasteful number, since it uses less digits than its factorization.

2558971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11500.

The product of its digits is 25200, while the sum is 37.

The square root of 2558971 is about 1599.6784051802. The cubic root of 2558971 is about 136.7797444731.

It can be divided in two parts, 25 and 58971, that added together give a triangular number (58996 = T₃₄₃).

The spelling of 2558971 in words is "two million, five hundred fifty-eight thousand, nine hundred seventy-one".