654012442 has 8 divisors (see below), whose sum is σ = 981138816. Its totient is φ = 326966172.

The previous prime is 654012439. The next prime is 654012449. The reversal of 654012442 is 244210456.

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

It is a self number, because there is not a number n which added to its sum of digits gives 654012442.

It is not an unprimeable number, because it can be changed into a prime (654012449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8533 + ... + 37159.

It is an arithmetic number, because the mean of its divisors is an integer number (122642352).

Almost surely, 2^654012442 is an apocalyptic number.

654012442 is a deficient number, since it is larger than the sum of its proper divisors (327126374).

654012442 is a wasteful number, since it uses less digits than its factorization.

654012442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40052.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 654012442 is about 25573.6669642818. Note that the first 3 decimals coincide. The cubic root of 654012442 is about 868.0178780110.

Adding to 654012442 its reverse (244210456), we get a palindrome (898222898).

The spelling of 654012442 in words is "six hundred fifty-four million, twelve thousand, four hundred forty-two".