2587474 has 12 divisors (see below), whose sum is σ = 3952494. Its totient is φ = 1270304.

The previous prime is 2587441. The next prime is 2587499. The reversal of 2587474 is 4747852.

2587474 = T₁₅₅ + T₁₅₆ + ... + T₂₆₇.

It can be written as a sum of positive squares in only one way, i.e., 2576025 + 11449 = 1605^2 + 107^2 .

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22842 + ... + 22954.

2^2587474 is an apocalyptic number.

2587474 is a deficient number, since it is larger than the sum of its proper divisors (1365020).

2587474 is a wasteful number, since it uses less digits than its factorization.

2587474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329 (or 222 counting only the distinct ones).

The product of its digits is 62720, while the sum is 37.

The square root of 2587474 is about 1608.5627124859. The cubic root of 2587474 is about 137.2857091810.

The spelling of 2587474 in words is "two million, five hundred eighty-seven thousand, four hundred seventy-four".