654372641 has 8 divisors (see below), whose sum is σ = 710090304. Its totient is φ = 599423760.

The previous prime is 654372623. The next prime is 654372643. The reversal of 654372641 is 146273456.

It is a happy number.

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

It is not a de Polignac number, because 654372641 - 2¹⁰ = 654371617 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 654372595 and 654372604.

It is not an unprimeable number, because it can be changed into a prime (654372643) 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, 190421 + ... + 193826.

It is an arithmetic number, because the mean of its divisors is an integer number (88761288).

Almost surely, 2^654372641 is an apocalyptic number.

It is an amenable number.

654372641 is a deficient number, since it is larger than the sum of its proper divisors (55717663).

654372641 is a wasteful number, since it uses less digits than its factorization.

654372641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384391.

The product of its digits is 120960, while the sum is 38.

The square root of 654372641 is about 25580.7083756490. The cubic root of 654372641 is about 868.1772031094.

The spelling of 654372641 in words is "six hundred fifty-four million, three hundred seventy-two thousand, six hundred forty-one".