654617461 has 8 divisors (see below), whose sum is σ = 663960024. Its totient is φ = 645331200.

The previous prime is 654617459. The next prime is 654617471. The reversal of 654617461 is 164716456.

654617461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 183467025 + 471150436 = 13545^2 + 21706^2 .

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 654617461 - 2¹ = 654617459 is a prime.

It is a super-3 number, since 3×654617461³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654617441) 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, 9625 + ... + 37441.

It is an arithmetic number, because the mean of its divisors is an integer number (82995003).

Almost surely, 2^654617461 is an apocalyptic number.

It is an amenable number.

654617461 is a deficient number, since it is larger than the sum of its proper divisors (9342563).

654617461 is a wasteful number, since it uses less digits than its factorization.

654617461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28151.

The product of its digits is 120960, while the sum is 40.

The square root of 654617461 is about 25585.4931748442. The cubic root of 654617461 is about 868.2854597959.

The spelling of 654617461 in words is "six hundred fifty-four million, six hundred seventeen thousand, four hundred sixty-one".