425671958 has 8 divisors (see below), whose sum is σ = 640437960. Its totient is φ = 212192640.

The previous prime is 425671937. The next prime is 425672021. The reversal of 425671958 is 859176524.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

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, 320843 + ... + 322166.

It is an arithmetic number, because the mean of its divisors is an integer number (80054745).

Almost surely, 2^425671958 is an apocalyptic number.

425671958 is a deficient number, since it is larger than the sum of its proper divisors (214766002).

425671958 is a wasteful number, since it uses less digits than its factorization.

425671958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643342.

The product of its digits is 604800, while the sum is 47.

The square root of 425671958 is about 20631.8190666747. The cubic root of 425671958 is about 752.2433324411.

The spelling of 425671958 in words is "four hundred twenty-five million, six hundred seventy-one thousand, nine hundred fifty-eight".