1745328131 has 2 divisors, whose sum is σ = 1745328132. Its totient is φ = 1745328130.

The previous prime is 1745328059. The next prime is 1745328187. The reversal of 1745328131 is 1318235471.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1745328131 - 2¹⁰ = 1745327107 is a prime.

It is a super-2 number, since 2×1745328131² = 6092340569719906322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 1745328091 and 1745328100.

It is not a weakly prime, because it can be changed into another prime (1745328931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 872664065 + 872664066.

It is an arithmetic number, because the mean of its divisors is an integer number (872664066).

Almost surely, 2^1745328131 is an apocalyptic number.

1745328131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1745328131 is an equidigital number, since it uses as much as digits as its factorization.

1745328131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 35.

The square root of 1745328131 is about 41777.1244941535. The cubic root of 1745328131 is about 1203.9978079212.

The spelling of 1745328131 in words is "one billion, seven hundred forty-five million, three hundred twenty-eight thousand, one hundred thirty-one".