1352290409 has 2 divisors, whose sum is σ = 1352290410. Its totient is φ = 1352290408.

The previous prime is 1352290397. The next prime is 1352290411. The reversal of 1352290409 is 9040922531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1304293225 + 47997184 = 36115^2 + 6928^2 .

It is an emirp because it is prime and its reverse (9040922531) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1352290409 is a prime.

Together with 1352290411, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1352290469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 676145204 + 676145205.

It is an arithmetic number, because the mean of its divisors is an integer number (676145205).

Almost surely, 2^1352290409 is an apocalyptic number.

It is an amenable number.

1352290409 is a deficient number, since it is larger than the sum of its proper divisors (1).

1352290409 is an equidigital number, since it uses as much as digits as its factorization.

1352290409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 1352290409 is about 36773.5014514528. The cubic root of 1352290409 is about 1105.8341289595.

The spelling of 1352290409 in words is "one billion, three hundred fifty-two million, two hundred ninety thousand, four hundred nine".