6442451 has 4 divisors (see below), whose sum is σ = 6650304. Its totient is φ = 6234600.

The previous prime is 6442433. The next prime is 6442459. The reversal of 6442451 is 1542446.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6442451 - 2¹⁰ = 6441427 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6442451.

It is not an unprimeable number, because it can be changed into a prime (6442459) 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, 103880 + ... + 103941.

It is an arithmetic number, because the mean of its divisors is an integer number (1662576).

Almost surely, 2^6442451 is an apocalyptic number.

6442451 is a deficient number, since it is larger than the sum of its proper divisors (207853).

6442451 is a wasteful number, since it uses less digits than its factorization.

6442451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207852.

The product of its digits is 3840, while the sum is 26.

The square root of 6442451 is about 2538.1983768019. The cubic root of 6442451 is about 186.0731492451.

Adding to 6442451 its reverse (1542446), we get a palindrome (7984897).

The spelling of 6442451 in words is "six million, four hundred forty-two thousand, four hundred fifty-one".