2642511 has 8 divisors (see below), whose sum is σ = 3531520. Its totient is φ = 1757592.

The previous prime is 2642483. The next prime is 2642513. The reversal of 2642511 is 1152462.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2642511 - 2⁷ = 2642383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2642513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1146 + ... + 2568.

It is an arithmetic number, because the mean of its divisors is an integer number (441440).

2^2642511 is an apocalyptic number.

2642511 is a deficient number, since it is larger than the sum of its proper divisors (889009).

2642511 is a wasteful number, since it uses less digits than its factorization.

2642511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2045.

The product of its digits is 480, while the sum is 21.

The square root of 2642511 is about 1625.5802041118. The cubic root of 2642511 is about 138.2522690806.

Adding to 2642511 its reverse (1152462), we get a palindrome (3794973).

It can be divided in two parts, 264 and 2511, that added together give a triangular number (2775 = T₇₄).

The spelling of 2642511 in words is "two million, six hundred forty-two thousand, five hundred eleven".