6432455 has 4 divisors (see below), whose sum is σ = 7718952. Its totient is φ = 5145960.

The previous prime is 6432427. The next prime is 6432457. The reversal of 6432455 is 5542346.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5542346 = 2 ⋅2771173.

It is not a de Polignac number, because 6432455 - 2¹⁰ = 6431431 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6432457) 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, 643241 + ... + 643250.

It is an arithmetic number, because the mean of its divisors is an integer number (1929738).

Almost surely, 2^6432455 is an apocalyptic number.

6432455 is a deficient number, since it is larger than the sum of its proper divisors (1286497).

6432455 is a wasteful number, since it uses less digits than its factorization.

6432455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1286496.

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

The square root of 6432455 is about 2536.2284991696. The cubic root of 6432455 is about 185.9768634265.

The spelling of 6432455 in words is "six million, four hundred thirty-two thousand, four hundred fifty-five".