654931485 has 48 divisors (see below), whose sum is σ = 1234082304. Its totient is φ = 319383936.

The previous prime is 654931483. The next prime is 654931493. The reversal of 654931485 is 584139456.

654931485 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 654931485 - 2¹ = 654931483 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 654931485.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654931483) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 57364 + ... + 67826.

It is an arithmetic number, because the mean of its divisors is an integer number (25710048).

Almost surely, 2^654931485 is an apocalyptic number.

654931485 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

654931485 is a deficient number, since it is larger than the sum of its proper divisors (579150819).

654931485 is a wasteful number, since it uses less digits than its factorization.

654931485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10594 (or 10591 counting only the distinct ones).

The product of its digits is 518400, while the sum is 45.

The square root of 654931485 is about 25591.6291978451. The cubic root of 654931485 is about 868.4242782162.

The spelling of 654931485 in words is "six hundred fifty-four million, nine hundred thirty-one thousand, four hundred eighty-five".