1330525193 has 2 divisors, whose sum is σ = 1330525194. Its totient is φ = 1330525192.

The previous prime is 1330525187. The next prime is 1330525219. The reversal of 1330525193 is 3915250331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1328748304 + 1776889 = 36452^2 + 1333^2 .

It is a cyclic number.

It is not a de Polignac number, because 1330525193 - 2¹² = 1330521097 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1330525123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665262596 + 665262597.

It is an arithmetic number, because the mean of its divisors is an integer number (665262597).

Almost surely, 2^1330525193 is an apocalyptic number.

It is an amenable number.

1330525193 is a deficient number, since it is larger than the sum of its proper divisors (1).

1330525193 is an equidigital number, since it uses as much as digits as its factorization.

1330525193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12150, while the sum is 32.

The square root of 1330525193 is about 36476.3648545192. The cubic root of 1330525193 is about 1099.8691836170.

The spelling of 1330525193 in words is "one billion, three hundred thirty million, five hundred twenty-five thousand, one hundred ninety-three".