654011 has 2 divisors, whose sum is σ = 654012. Its totient is φ = 654010.

The previous prime is 654001. The next prime is 654019. The reversal of 654011 is 110456.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 654011 - 2¹⁴ = 637627 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (654019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327005 + 327006.

It is an arithmetic number, because the mean of its divisors is an integer number (327006).

2⁶⁵⁴⁰¹¹ is an apocalyptic number.

654011 is a deficient number, since it is larger than the sum of its proper divisors (1).

654011 is an equidigital number, since it uses as much as digits as its factorization.

654011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 654011 is about 808.7094657539. The cubic root of 654011 is about 86.8017240061.

Adding to 654011 its reverse (110456), we get a palindrome (764467).

The spelling of 654011 in words is "six hundred fifty-four thousand, eleven".