2642519 has 6 divisors (see below), whose sum is σ = 2904720. Its totient is φ = 2402180.

The previous prime is 2642513. The next prime is 2642537. The reversal of 2642519 is 9152462.

It is a happy number.

It is not a de Polignac number, because 2642519 - 2¹⁶ = 2576983 is a prime.

It is a super-2 number, since 2×2642519² = 13965813330722, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2¹¹ + 6⁵ + 4⁶ + 2²¹ + 5 + 1 + 9⁶ .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2642491 and 2642500.

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 5 ways as a sum of consecutive naturals, for example, 10799 + ... + 11040.

It is an arithmetic number, because the mean of its divisors is an integer number (484120).

2^2642519 is an apocalyptic number.

2642519 is a deficient number, since it is larger than the sum of its proper divisors (262201).

2642519 is a wasteful number, since it uses less digits than its factorization.

2642519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21861 (or 21850 counting only the distinct ones).

The product of its digits is 4320, while the sum is 29.

The square root of 2642519 is about 1625.5826647698. The cubic root of 2642519 is about 138.2524085965.

The spelling of 2642519 in words is "two million, six hundred forty-two thousand, five hundred nineteen".