674635231 has 2 divisors, whose sum is σ = 674635232. Its totient is φ = 674635230.

The previous prime is 674635211. The next prime is 674635253. The reversal of 674635231 is 132536476.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-674635231 is a prime.

It is a super-2 number, since 2×674635231² = 910265389812846722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (674635211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337317615 + 337317616.

It is an arithmetic number, because the mean of its divisors is an integer number (337317616).

Almost surely, 2^674635231 is an apocalyptic number.

674635231 is a deficient number, since it is larger than the sum of its proper divisors (1).

674635231 is an equidigital number, since it uses as much as digits as its factorization.

674635231 is an odious number, because the sum of its binary digits is odd.

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

The square root of 674635231 is about 25973.7411822017. The cubic root of 674635231 is about 877.0472795065.

It can be divided in two parts, 674635 and 231, that multiplied together give a triangular number (155840685 = T₁₇₆₅₄).

The spelling of 674635231 in words is "six hundred seventy-four million, six hundred thirty-five thousand, two hundred thirty-one".