671425455 has 16 divisors (see below), whose sum is σ = 1137474144. Its totient is φ = 337029120.

The previous prime is 671425451. The next prime is 671425501. The reversal of 671425455 is 554524176.

It is not a de Polignac number, because 671425455 - 2² = 671425451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671425451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1316266 + ... + 1316775.

It is an arithmetic number, because the mean of its divisors is an integer number (71092134).

Almost surely, 2^671425455 is an apocalyptic number.

671425455 is a deficient number, since it is larger than the sum of its proper divisors (466048689).

671425455 is a wasteful number, since it uses less digits than its factorization.

671425455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2633066.

The product of its digits is 168000, while the sum is 39.

The square root of 671425455 is about 25911.8786466748. The cubic root of 671425455 is about 875.6541307284.

The spelling of 671425455 in words is "six hundred seventy-one million, four hundred twenty-five thousand, four hundred fifty-five".