671031542 has 8 divisors (see below), whose sum is σ = 1007370000. Its totient is φ = 335241544.

The previous prime is 671031541. The next prime is 671031553. The reversal of 671031542 is 245130176.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671031541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134042 + ... + 138957.

It is an arithmetic number, because the mean of its divisors is an integer number (125921250).

Almost surely, 2^671031542 is an apocalyptic number.

671031542 is a deficient number, since it is larger than the sum of its proper divisors (336338458).

671031542 is a wasteful number, since it uses less digits than its factorization.

671031542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274230.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 671031542 is about 25904.2765195247. The cubic root of 671031542 is about 875.4828538229.

The spelling of 671031542 in words is "six hundred seventy-one million, thirty-one thousand, five hundred forty-two".