654707 has 4 divisors (see below), whose sum is σ = 656400. Its totient is φ = 653016.

The previous prime is 654701. The next prime is 654727. The reversal of 654707 is 707456.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-654707 is a prime.

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

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 654707.

It is not an unprimeable number, because it can be changed into a prime (654701) 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, 53 + ... + 1145.

It is an arithmetic number, because the mean of its divisors is an integer number (164100).

2⁶⁵⁴⁷⁰⁷ is an apocalyptic number.

654707 is a deficient number, since it is larger than the sum of its proper divisors (1693).

654707 is a wasteful number, since it uses less digits than its factorization.

654707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1692.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 654707 is about 809.1396665595. The cubic root of 654707 is about 86.8325046207.

The spelling of 654707 in words is "six hundred fifty-four thousand, seven hundred seven".