1146531917 has 2 divisors, whose sum is σ = 1146531918. Its totient is φ = 1146531916.

The previous prime is 1146531823. The next prime is 1146531929. The reversal of 1146531917 is 7191356411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1120173961 + 26357956 = 33469^2 + 5134^2 .

It is a cyclic number.

It is not a de Polignac number, because 1146531917 - 2¹⁶ = 1146466381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1146531937) 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, 573265958 + 573265959.

It is an arithmetic number, because the mean of its divisors is an integer number (573265959).

Almost surely, 2^1146531917 is an apocalyptic number.

It is an amenable number.

1146531917 is a deficient number, since it is larger than the sum of its proper divisors (1).

1146531917 is an equidigital number, since it uses as much as digits as its factorization.

1146531917 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22680, while the sum is 38.

The square root of 1146531917 is about 33860.4772116401. The cubic root of 1146531917 is about 1046.6353117283.

The spelling of 1146531917 in words is "one billion, one hundred forty-six million, five hundred thirty-one thousand, nine hundred seventeen".