2591002 has 4 divisors (see below), whose sum is σ = 3886506. Its totient is φ = 1295500.

The previous prime is 2590997. The next prime is 2591023. The reversal of 2591002 is 2001952.

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., 2099601 + 491401 = 1449^2 + 701^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 647749 + ... + 647752.

2^2591002 is an apocalyptic number.

2591002 is a deficient number, since it is larger than the sum of its proper divisors (1295504).

2591002 is a wasteful number, since it uses less digits than its factorization.

2591002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1295503.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 2591002 is about 1609.6589700927. The cubic root of 2591002 is about 137.3480768307.

Adding to 2591002 its reverse (2001952), we get a palindrome (4592954).

The spelling of 2591002 in words is "two million, five hundred ninety-one thousand, two".