2581054 has 16 divisors (see below), whose sum is σ = 4468608. Its totient is φ = 1095192.

The previous prime is 2581049. The next prime is 2581069. The reversal of 2581054 is 4501852.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 637 + ... + 2359.

It is an arithmetic number, because the mean of its divisors is an integer number (279288).

2^2581054 is an apocalyptic number.

2581054 is a deficient number, since it is larger than the sum of its proper divisors (1887554).

2581054 is a wasteful number, since it uses less digits than its factorization.

2581054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1839.

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 2581054 is about 1606.5659027877. The cubic root of 2581054 is about 137.1720714259.

The spelling of 2581054 in words is "two million, five hundred eighty-one thousand, fifty-four".