1330545487 has 2 divisors, whose sum is σ = 1330545488. Its totient is φ = 1330545486.

The previous prime is 1330545479. The next prime is 1330545539. The reversal of 1330545487 is 7845450331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1330545487 - 2³ = 1330545479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1330545427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665272743 + 665272744.

It is an arithmetic number, because the mean of its divisors is an integer number (665272744).

Almost surely, 2^1330545487 is an apocalyptic number.

1330545487 is a deficient number, since it is larger than the sum of its proper divisors (1).

1330545487 is an equidigital number, since it uses as much as digits as its factorization.

1330545487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 201600, while the sum is 40.

The square root of 1330545487 is about 36476.6430335907. The cubic root of 1330545487 is about 1099.8747755521.

The spelling of 1330545487 in words is "one billion, three hundred thirty million, five hundred forty-five thousand, four hundred eighty-seven".