654323481 has 32 divisors (see below), whose sum is σ = 1156024320. Its totient is φ = 357640272.

The previous prime is 654323471. The next prime is 654323513. The reversal of 654323481 is 184323456.

654323481 is a `hidden beast` number, since 6 + 543 + 2 + 34 + 81 = 666.

It is not a de Polignac number, because 654323481 - 2¹⁹ = 653799193 is a prime.

It is a super-2 number, since 2×654323481² = 856278435575914722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (654323441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70915 + ... + 79608.

It is an arithmetic number, because the mean of its divisors is an integer number (36125760).

Almost surely, 2^654323481 is an apocalyptic number.

It is an amenable number.

654323481 is a deficient number, since it is larger than the sum of its proper divisors (501700839).

654323481 is a wasteful number, since it uses less digits than its factorization.

654323481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150562 (or 150556 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 654323481 is about 25579.7474772524. The cubic root of 654323481 is about 868.1554618479.

The spelling of 654323481 in words is "six hundred fifty-four million, three hundred twenty-three thousand, four hundred eighty-one".