2587954 has 4 divisors (see below), whose sum is σ = 3881934. Its totient is φ = 1293976.

The previous prime is 2587943. The next prime is 2587957. The reversal of 2587954 is 4597852.

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

It can be written as a sum of positive squares in only one way, i.e., 1428025 + 1159929 = 1195^2 + 1077^2 .

It is a super-2 number, since 2×2587954² = 13395011812232, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 2¹³ + 5⁷ + 8 + 7⁵ + 9⁶ + 5⁹ + 4⁴ .

It is not an unprimeable number, because it can be changed into a prime (2587957) by changing a digit.

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 as a sum of consecutive naturals, namely, 646987 + ... + 646990.

2^2587954 is an apocalyptic number.

2587954 is a deficient number, since it is larger than the sum of its proper divisors (1293980).

2587954 is a wasteful number, since it uses less digits than its factorization.

2587954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1293979.

The product of its digits is 100800, while the sum is 40.

The square root of 2587954 is about 1608.7119070859. The cubic root of 2587954 is about 137.2941979061.

The spelling of 2587954 in words is "two million, five hundred eighty-seven thousand, nine hundred fifty-four".