5642453 has 4 divisors (see below), whose sum is σ = 5974380. Its totient is φ = 5310528.

The previous prime is 5642407. The next prime is 5642459. The reversal of 5642453 is 3542465.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3542465 = 5 ⋅708493.

It can be written as a sum of positive squares in 2 ways, for example, as 2745649 + 2896804 = 1657^2 + 1702^2 .

It is not a de Polignac number, because 5642453 - 2¹⁰ = 5641429 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5642459) 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, 165938 + ... + 165971.

It is an arithmetic number, because the mean of its divisors is an integer number (1493595).

Almost surely, 2^5642453 is an apocalyptic number.

It is an amenable number.

5642453 is a deficient number, since it is larger than the sum of its proper divisors (331927).

5642453 is a wasteful number, since it uses less digits than its factorization.

5642453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331926.

The product of its digits is 14400, while the sum is 29.

The square root of 5642453 is about 2375.3848109306. The cubic root of 5642453 is about 178.0284114898.

The spelling of 5642453 in words is "five million, six hundred forty-two thousand, four hundred fifty-three".