1355252043 has 8 divisors (see below), whose sum is σ = 1807174656. Its totient is φ = 903415400.

The previous prime is 1355252033. The next prime is 1355252111. The reversal of 1355252043 is 3402525531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1355252043 - 2⁸ = 1355251787 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1355252043.

It is not an unprimeable number, because it can be changed into a prime (1355252033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42598 + ... + 67268.

It is an arithmetic number, because the mean of its divisors is an integer number (225896832).

Almost surely, 2^1355252043 is an apocalyptic number.

1355252043 is a deficient number, since it is larger than the sum of its proper divisors (451922613).

1355252043 is a wasteful number, since it uses less digits than its factorization.

1355252043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42985.

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 1355252043 is about 36813.7480161963. The cubic root of 1355252043 is about 1106.6408314097.

Adding to 1355252043 its reverse (3402525531), we get a palindrome (4757777574).

The spelling of 1355252043 in words is "one billion, three hundred fifty-five million, two hundred fifty-two thousand, forty-three".