654963 has 8 divisors (see below), whose sum is σ = 877968. Its totient is φ = 434304.

The previous prime is 654943. The next prime is 654967. The reversal of 654963 is 369456.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 654963 - 2⁵ = 654931 is a prime.

It is an alternating number because its digits alternate between even and odd.

654963 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (654967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231 + ... + 1167.

It is an arithmetic number, because the mean of its divisors is an integer number (109746).

2⁶⁵⁴⁹⁶³ is an apocalyptic number.

654963 is a deficient number, since it is larger than the sum of its proper divisors (223005).

654963 is a wasteful number, since it uses less digits than its factorization.

654963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1173.

The product of its digits is 19440, while the sum is 33.

The square root of 654963 is about 809.2978438128. The cubic root of 654963 is about 86.8438207384.

The spelling of 654963 in words is "six hundred fifty-four thousand, nine hundred sixty-three".