654425963 has 4 divisors (see below), whose sum is σ = 654574008. Its totient is φ = 654277920.

The previous prime is 654425951. The next prime is 654426001. The reversal of 654425963 is 369524456.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 654425963 - 2¹⁴ = 654409579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (654425663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67181 + ... + 76302.

It is an arithmetic number, because the mean of its divisors is an integer number (163643502).

Almost surely, 2^654425963 is an apocalyptic number.

654425963 is a deficient number, since it is larger than the sum of its proper divisors (148045).

654425963 is a wasteful number, since it uses less digits than its factorization.

654425963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148044.

The product of its digits is 777600, while the sum is 44.

The square root of 654425963 is about 25581.7505851339. The cubic root of 654425963 is about 868.2007838056.

The spelling of 654425963 in words is "six hundred fifty-four million, four hundred twenty-five thousand, nine hundred sixty-three".