654049 has 8 divisors (see below), whose sum is σ = 733248. Its totient is φ = 578160.

The previous prime is 654047. The next prime is 654053. The reversal of 654049 is 940456.

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

It is not a de Polignac number, because 654049 - 2¹ = 654047 is a prime.

It is a Duffinian number.

654049 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (654047) 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, 397 + ... + 1210.

It is an arithmetic number, because the mean of its divisors is an integer number (91656).

2⁶⁵⁴⁰⁴⁹ is an apocalyptic number.

It is an amenable number.

654049 is a deficient number, since it is larger than the sum of its proper divisors (79199).

654049 is a wasteful number, since it uses less digits than its factorization.

654049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1655.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 654049 is about 808.7329596350. The cubic root of 654049 is about 86.8034051203.

It can be divided in two parts, 65 and 4049, that added together give a palindrome (4114).

The spelling of 654049 in words is "six hundred fifty-four thousand, forty-nine".