1352412643 has 2 divisors, whose sum is σ = 1352412644. Its totient is φ = 1352412642.

The previous prime is 1352412637. The next prime is 1352412661. The reversal of 1352412643 is 3462142531.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1352412643 is a prime.

It is not a weakly prime, because it can be changed into another prime (1352412143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 676206321 + 676206322.

It is an arithmetic number, because the mean of its divisors is an integer number (676206322).

Almost surely, 2^1352412643 is an apocalyptic number.

1352412643 is a deficient number, since it is larger than the sum of its proper divisors (1).

1352412643 is an equidigital number, since it uses as much as digits as its factorization.

1352412643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 31.

The square root of 1352412643 is about 36775.1633986853. The cubic root of 1352412643 is about 1105.8674468661.

The spelling of 1352412643 in words is "one billion, three hundred fifty-two million, four hundred twelve thousand, six hundred forty-three".