671454241 has 4 divisors (see below), whose sum is σ = 671517952. Its totient is φ = 671390532.

The previous prime is 671454221. The next prime is 671454269. The reversal of 671454241 is 142454176.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 671454241 - 2¹³ = 671446049 is a prime.

It is a super-3 number, since 3×671454241³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 671454197 and 671454206.

It is not an unprimeable number, because it can be changed into a prime (671454221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11865 + ... + 38518.

It is an arithmetic number, because the mean of its divisors is an integer number (167879488).

Almost surely, 2^671454241 is an apocalyptic number.

It is an amenable number.

671454241 is a deficient number, since it is larger than the sum of its proper divisors (63711).

671454241 is a wasteful number, since it uses less digits than its factorization.

671454241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63710.

The product of its digits is 26880, while the sum is 34.

The square root of 671454241 is about 25912.4341002539. The cubic root of 671454241 is about 875.6666445125. Note that the first 4 decimals are identical.

The spelling of 671454241 in words is "six hundred seventy-one million, four hundred fifty-four thousand, two hundred forty-one".