1674997 has 2 divisors, whose sum is σ = 1674998. Its totient is φ = 1674996.

The previous prime is 1674991. The next prime is 1675001. The reversal of 1674997 is 7994761.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1535121 + 139876 = 1239^2 + 374^2 .

It is an emirp because it is prime and its reverse (7994761) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1674997 - 2³ = 1674989 is a prime.

It is a super-2 number, since 2×1674997² = 5611229900018, which contains 22 as substring.

1674997 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1674991) 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, 837498 + 837499.

It is an arithmetic number, because the mean of its divisors is an integer number (837499).

2^1674997 is an apocalyptic number.

It is an amenable number.

1674997 is a deficient number, since it is larger than the sum of its proper divisors (1).

1674997 is an equidigital number, since it uses as much as digits as its factorization.

1674997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 95256, while the sum is 43.

The square root of 1674997 is about 1294.2167515528. The cubic root of 1674997 is about 118.7603160013.

The spelling of 1674997 in words is "one million, six hundred seventy-four thousand, nine hundred ninety-seven".