654617501 has 2 divisors, whose sum is σ = 654617502. Its totient is φ = 654617500.

The previous prime is 654617479. The next prime is 654617503. The reversal of 654617501 is 105716456.

654617501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 359671225 + 294946276 = 18965^2 + 17174^2 .

It is a cyclic number.

It is not a de Polignac number, because 654617501 - 2⁶ = 654617437 is a prime.

Together with 654617503, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (654617503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327308750 + 327308751.

It is an arithmetic number, because the mean of its divisors is an integer number (327308751).

Almost surely, 2^654617501 is an apocalyptic number.

It is an amenable number.

654617501 is a deficient number, since it is larger than the sum of its proper divisors (1).

654617501 is an equidigital number, since it uses as much as digits as its factorization.

654617501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 654617501 is about 25585.4939565372. The cubic root of 654617501 is about 868.2854774813.

The spelling of 654617501 in words is "six hundred fifty-four million, six hundred seventeen thousand, five hundred one".