654425042 has 4 divisors (see below), whose sum is σ = 981637566. Its totient is φ = 327212520.

The previous prime is 654425017. The next prime is 654425053. The reversal of 654425042 is 240524456.

654425042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 477029281 + 177395761 = 21841^2 + 13319^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163606259 + ... + 163606262.

Almost surely, 2^654425042 is an apocalyptic number.

654425042 is a deficient number, since it is larger than the sum of its proper divisors (327212524).

654425042 is a wasteful number, since it uses less digits than its factorization.

654425042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327212523.

The product of its (nonzero) digits is 38400, while the sum is 32.

The square root of 654425042 is about 25581.7325840139. The cubic root of 654425042 is about 868.2003765208.

Adding to 654425042 its reverse (240524456), we get a palindrome (894949498).

The spelling of 654425042 in words is "six hundred fifty-four million, four hundred twenty-five thousand, forty-two".