6456955 has 4 divisors (see below), whose sum is σ = 7748352. Its totient is φ = 5165560.

The previous prime is 6456949. The next prime is 6456971. The reversal of 6456955 is 5596546.

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

It is a de Polignac number, because none of the positive numbers 2^k-6456955 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 645691 + ... + 645700.

It is an arithmetic number, because the mean of its divisors is an integer number (1937088).

Almost surely, 2^6456955 is an apocalyptic number.

6456955 is a deficient number, since it is larger than the sum of its proper divisors (1291397).

6456955 is a wasteful number, since it uses less digits than its factorization.

6456955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1291396.

The product of its digits is 162000, while the sum is 40.

The square root of 6456955 is about 2541.0539152092. The cubic root of 6456955 is about 186.2126811406.

The spelling of 6456955 in words is "six million, four hundred fifty-six thousand, nine hundred fifty-five".