425664147 has 8 divisors (see below), whose sum is σ = 578260944. Its totient is φ = 278421728.

The previous prime is 425664119. The next prime is 425664149. The reversal of 425664147 is 741466524.

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

It is a cyclic number.

It is not a de Polignac number, because 425664147 - 2⁸ = 425663891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (425664149) 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 7 ways as a sum of consecutive naturals, for example, 1338408 + ... + 1338725.

It is an arithmetic number, because the mean of its divisors is an integer number (72282618).

Almost surely, 2^425664147 is an apocalyptic number.

425664147 is a deficient number, since it is larger than the sum of its proper divisors (152596797).

425664147 is a wasteful number, since it uses less digits than its factorization.

425664147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2677189.

The product of its digits is 161280, while the sum is 39.

The square root of 425664147 is about 20631.6297708155. The cubic root of 425664147 is about 752.2387312386.

The spelling of 425664147 in words is "four hundred twenty-five million, six hundred sixty-four thousand, one hundred forty-seven".