1352243457 has 16 divisors (see below), whose sum is σ = 2005058880. Its totient is φ = 900714816.

The previous prime is 1352243447. The next prime is 1352243491. The reversal of 1352243457 is 7543422531.

It is not a de Polignac number, because 1352243457 - 2⁸ = 1352243201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1352243447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10953 + ... + 53145.

It is an arithmetic number, because the mean of its divisors is an integer number (125316180).

Almost surely, 2^1352243457 is an apocalyptic number.

It is an amenable number.

1352243457 is a deficient number, since it is larger than the sum of its proper divisors (652815423).

1352243457 is a wasteful number, since it uses less digits than its factorization.

1352243457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43389 (or 43383 counting only the distinct ones).

The product of its digits is 100800, while the sum is 36.

The square root of 1352243457 is about 36772.8630514405. The cubic root of 1352243457 is about 1105.8213304944.

Adding to 1352243457 its reverse (7543422531), we get a palindrome (8895665988).

The spelling of 1352243457 in words is "one billion, three hundred fifty-two million, two hundred forty-three thousand, four hundred fifty-seven".