671033451 has 12 divisors (see below), whose sum is σ = 983443496. Its totient is φ = 406686720.

The previous prime is 671033423. The next prime is 671033453. The reversal of 671033451 is 154330176.

It is not a de Polignac number, because 671033451 - 2¹⁵ = 671000683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (671033453) 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 11 ways as a sum of consecutive naturals, for example, 923926 + ... + 924651.

Almost surely, 2^671033451 is an apocalyptic number.

671033451 is a deficient number, since it is larger than the sum of its proper divisors (312410045).

671033451 is a wasteful number, since it uses less digits than its factorization.

671033451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1848602 (or 1848591 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 671033451 is about 25904.3133666963. The cubic root of 671033451 is about 875.4836840348.

The spelling of 671033451 in words is "six hundred seventy-one million, thirty-three thousand, four hundred fifty-one".