1353502243 has 4 divisors (see below), whose sum is σ = 1433120040. Its totient is φ = 1273884448.

The previous prime is 1353502231. The next prime is 1353502273. The reversal of 1353502243 is 3422053531.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1353502243 - 2⁹ = 1353501731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1353502273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39808873 + ... + 39808906.

It is an arithmetic number, because the mean of its divisors is an integer number (358280010).

Almost surely, 2^1353502243 is an apocalyptic number.

1353502243 is a deficient number, since it is larger than the sum of its proper divisors (79617797).

1353502243 is an equidigital number, since it uses as much as digits as its factorization.

1353502243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79617796.

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 1353502243 is about 36789.9747621550. The cubic root of 1353502243 is about 1106.1643556836.

Adding to 1353502243 its reverse (3422053531), we get a palindrome (4775555774).

The spelling of 1353502243 in words is "one billion, three hundred fifty-three million, five hundred two thousand, two hundred forty-three".