1328675437 has 2 divisors, whose sum is σ = 1328675438. Its totient is φ = 1328675436.

The previous prime is 1328675399. The next prime is 1328675449. The reversal of 1328675437 is 7345768231.

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., 1328675401 + 36 = 36451^2 + 6^2 .

It is a cyclic number.

It is not a de Polignac number, because 1328675437 - 2²³ = 1320286829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1328675237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 664337718 + 664337719.

It is an arithmetic number, because the mean of its divisors is an integer number (664337719).

Almost surely, 2^1328675437 is an apocalyptic number.

It is an amenable number.

1328675437 is a deficient number, since it is larger than the sum of its proper divisors (1).

1328675437 is an equidigital number, since it uses as much as digits as its factorization.

1328675437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 846720, while the sum is 46.

The square root of 1328675437 is about 36451.0004938136. Note that the first 3 decimals coincide. The cubic root of 1328675437 is about 1099.3592513551.

The spelling of 1328675437 in words is "one billion, three hundred twenty-eight million, six hundred seventy-five thousand, four hundred thirty-seven".