654157 has 8 divisors (see below), whose sum is σ = 755136. Its totient is φ = 555072.

The previous prime is 654149. The next prime is 654161. The reversal of 654157 is 751456.

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

It is not a de Polignac number, because 654157 - 2³ = 654149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654107) 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, 378 + ... + 1204.

It is an arithmetic number, because the mean of its divisors is an integer number (94392).

2⁶⁵⁴¹⁵⁷ is an apocalyptic number.

It is an amenable number.

654157 is a deficient number, since it is larger than the sum of its proper divisors (100979).

654157 is a wasteful number, since it uses less digits than its factorization.

654157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947.

The product of its digits is 4200, while the sum is 28.

The square root of 654157 is about 808.7997279920. The cubic root of 654157 is about 86.8081826685.

The spelling of 654157 in words is "six hundred fifty-four thousand, one hundred fifty-seven".