4002453 has 48 divisors (see below), whose sum is σ = 7419776. Its totient is φ = 2099520.

The previous prime is 4002431. The next prime is 4002457. The reversal of 4002453 is 3542004.

It is a happy number.

4002453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4002453 - 2⁶ = 4002389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4002457) 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 47 ways as a sum of consecutive naturals, for example, 22023 + ... + 22203.

Almost surely, 2^4002453 is an apocalyptic number.

It is an amenable number.

4002453 is a deficient number, since it is larger than the sum of its proper divisors (3417323).

4002453 is a wasteful number, since it uses less digits than its factorization.

4002453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216 (or 204 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 4002453 is about 2000.6131560099. The cubic root of 4002453 is about 158.7725476891.

Adding to 4002453 its reverse (3542004), we get a palindrome (7544457).

The spelling of 4002453 in words is "four million, two thousand, four hundred fifty-three".