654027433 has 4 divisors (see below), whose sum is σ = 656338768. Its totient is φ = 651716100.

The previous prime is 654027427. The next prime is 654027509. The reversal of 654027433 is 334720456.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-654027433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (654027533) 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, 1155243 + ... + 1155808.

It is an arithmetic number, because the mean of its divisors is an integer number (164084692).

Almost surely, 2^654027433 is an apocalyptic number.

It is an amenable number.

654027433 is a deficient number, since it is larger than the sum of its proper divisors (2311335).

654027433 is a wasteful number, since it uses less digits than its factorization.

654027433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2311334.

The product of its (nonzero) digits is 60480, while the sum is 34.

The square root of 654027433 is about 25573.9600570580. The cubic root of 654027433 is about 868.0245100747.

Adding to 654027433 its reverse (334720456), we get a palindrome (988747889).

The spelling of 654027433 in words is "six hundred fifty-four million, twenty-seven thousand, four hundred thirty-three".