1352531393 has 2 divisors, whose sum is σ = 1352531394. Its totient is φ = 1352531392.

The previous prime is 1352531387. The next prime is 1352531413. The reversal of 1352531393 is 3931352531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1351812289 + 719104 = 36767^2 + 848^2 .

It is a cyclic number.

It is not a de Polignac number, because 1352531393 - 2²⁰ = 1351482817 is a prime.

It is not a weakly prime, because it can be changed into another prime (1352531363) 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, 676265696 + 676265697.

It is an arithmetic number, because the mean of its divisors is an integer number (676265697).

Almost surely, 2^1352531393 is an apocalyptic number.

It is an amenable number.

1352531393 is a deficient number, since it is larger than the sum of its proper divisors (1).

1352531393 is an equidigital number, since it uses as much as digits as its factorization.

1352531393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36450, while the sum is 35.

The square root of 1352531393 is about 36776.7779039981. Note that the first 3 decimals coincide. The cubic root of 1352531393 is about 1105.8998131996.

The spelling of 1352531393 in words is "one billion, three hundred fifty-two million, five hundred thirty-one thousand, three hundred ninety-three".