654051 has 8 divisors (see below), whose sum is σ = 910080. Its totient is φ = 417032.

The previous prime is 654047. The next prime is 654053. The reversal of 654051 is 150456.

654051 = 96² + 97² + ... + 141².

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 654051 - 2² = 654047 is a prime.

It is not an unprimeable number, because it can be changed into a prime (654053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4671 + ... + 4808.

It is an arithmetic number, because the mean of its divisors is an integer number (113760).

2⁶⁵⁴⁰⁵¹ is an apocalyptic number.

654051 is a deficient number, since it is larger than the sum of its proper divisors (256029).

654051 is a wasteful number, since it uses less digits than its factorization.

654051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9505.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 654051 is about 808.7341961362. The cubic root of 654051 is about 86.8034935982.

The spelling of 654051 in words is "six hundred fifty-four thousand, fifty-one".