2642371 has 4 divisors (see below), whose sum is σ = 2651992. Its totient is φ = 2632752.

The previous prime is 2642369. The next prime is 2642383. The reversal of 2642371 is 1732462.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1732462 = 2 ⋅866231.

It is a cyclic number.

It is not a de Polignac number, because 2642371 - 2¹ = 2642369 is a prime.

It is a d-powerful number, because it can be written as 2¹⁹ + 6³ + 4⁵ + 2²¹ + 3⁹ + 7 + 1 .

It is a Duffinian number.

2642371 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2642351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4386 + ... + 4951.

It is an arithmetic number, because the mean of its divisors is an integer number (662998).

2^2642371 is an apocalyptic number.

2642371 is a deficient number, since it is larger than the sum of its proper divisors (9621).

2642371 is an equidigital number, since it uses as much as digits as its factorization.

2642371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9620.

The product of its digits is 2016, while the sum is 25.

The square root of 2642371 is about 1625.5371419934. The cubic root of 2642371 is about 138.2498275065.

Subtracting from 2642371 its reverse (1732462), we obtain a palindrome (909909).

The spelling of 2642371 in words is "two million, six hundred forty-two thousand, three hundred seventy-one".