654493042 has 16 divisors (see below), whose sum is σ = 1126464192. Its totient is φ = 279378000.

The previous prime is 654493033. The next prime is 654493061. The reversal of 654493042 is 240394456.

It is a happy number.

It is a super-2 number, since 2×654493042² = 856722284052827528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 654492992 and 654493010.

It is an unprimeable number.

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, 89613 + ... + 96640.

It is an arithmetic number, because the mean of its divisors is an integer number (70404012).

Almost surely, 2^654493042 is an apocalyptic number.

654493042 is a deficient number, since it is larger than the sum of its proper divisors (471971150).

654493042 is a wasteful number, since it uses less digits than its factorization.

654493042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186513.

The product of its (nonzero) digits is 103680, while the sum is 37.

The square root of 654493042 is about 25583.0616228785. The cubic root of 654493042 is about 868.2304464688.

The spelling of 654493042 in words is "six hundred fifty-four million, four hundred ninety-three thousand, forty-two".