2402653 has 4 divisors (see below), whose sum is σ = 2621088. Its totient is φ = 2184220.

The previous prime is 2402651. The next prime is 2402663. The reversal of 2402653 is 3562042.

It is a happy number.

2402653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2402653 - 2¹ = 2402651 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a Duffinian number.

2402653 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2402651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109201 + ... + 109222.

It is an arithmetic number, because the mean of its divisors is an integer number (655272).

2^2402653 is an apocalyptic number.

It is an amenable number.

2402653 is a deficient number, since it is larger than the sum of its proper divisors (218435).

2402653 is a wasteful number, since it uses less digits than its factorization.

2402653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218434.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 2402653 is about 1550.0493540530. The cubic root of 2402653 is about 133.9359053389.

Adding to 2402653 its reverse (3562042), we get a palindrome (5964695).

The spelling of 2402653 in words is "two million, four hundred two thousand, six hundred fifty-three".