1674412321 has 2 divisors, whose sum is σ = 1674412322. Its totient is φ = 1674412320.

The previous prime is 1674412301. The next prime is 1674412339. The reversal of 1674412321 is 1232144761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 838913296 + 835499025 = 28964^2 + 28905^2 .

It is an emirp because it is prime and its reverse (1232144761) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1674412321 - 2⁷ = 1674412193 is a prime.

It is a super-3 number, since 3×1674412321³ (a number of 29 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1674412301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 837206160 + 837206161.

It is an arithmetic number, because the mean of its divisors is an integer number (837206161).

Almost surely, 2^1674412321 is an apocalyptic number.

It is an amenable number.

1674412321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1674412321 is an equidigital number, since it uses as much as digits as its factorization.

1674412321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 31.

The square root of 1674412321 is about 40919.5835878128. The cubic root of 1674412321 is about 1187.4649612709.

The spelling of 1674412321 in words is "one billion, six hundred seventy-four million, four hundred twelve thousand, three hundred twenty-one".