667335241 has 4 divisors (see below), whose sum is σ = 669096400. Its totient is φ = 665574084.

The previous prime is 667335239. The next prime is 667335257. The reversal of 667335241 is 142533766.

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 an emirpimes, since its reverse is a distinct semiprime: 142533766 = 2 ⋅71266883.

It is a cyclic number.

It is not a de Polignac number, because 667335241 - 2¹ = 667335239 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 667335241.

It is not an unprimeable number, because it can be changed into a prime (667330241) 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, 880011 + ... + 880768.

It is an arithmetic number, because the mean of its divisors is an integer number (167274100).

Almost surely, 2^667335241 is an apocalyptic number.

It is an amenable number.

667335241 is a deficient number, since it is larger than the sum of its proper divisors (1761159).

667335241 is a wasteful number, since it uses less digits than its factorization.

667335241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1761158.

The product of its digits is 90720, while the sum is 37.

The square root of 667335241 is about 25832.8326166528. The cubic root of 667335241 is about 873.8723939083.

It can be divided in two parts, 6673 and 35241, that added together give a palindrome (41914).

The spelling of 667335241 in words is "six hundred sixty-seven million, three hundred thirty-five thousand, two hundred forty-one".