674241181 has 2 divisors, whose sum is σ = 674241182. Its totient is φ = 674241180.

The previous prime is 674241173. The next prime is 674241257. The reversal of 674241181 is 181142476.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 632522500 + 41718681 = 25150^2 + 6459^2 .

It is a cyclic number.

It is not a de Polignac number, because 674241181 - 2³ = 674241173 is a prime.

It is a super-2 number, since 2×674241181² = 909202340312549522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (674241151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337120590 + 337120591.

It is an arithmetic number, because the mean of its divisors is an integer number (337120591).

Almost surely, 2^674241181 is an apocalyptic number.

It is an amenable number.

674241181 is a deficient number, since it is larger than the sum of its proper divisors (1).

674241181 is an equidigital number, since it uses as much as digits as its factorization.

674241181 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10752, while the sum is 34.

The square root of 674241181 is about 25966.1545285396. The cubic root of 674241181 is about 876.8764870673.

The spelling of 674241181 in words is "six hundred seventy-four million, two hundred forty-one thousand, one hundred eighty-one".