1332556243 has 2 divisors, whose sum is σ = 1332556244. Its totient is φ = 1332556242.

The previous prime is 1332556219. The next prime is 1332556289. The reversal of 1332556243 is 3426552331.

It is a weak prime.

It is an emirp because it is prime and its reverse (3426552331) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1332556243 is a prime.

It is a super-2 number, since 2×1332556243² = 3551412281516550098, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1332556199 and 1332556208.

It is not a weakly prime, because it can be changed into another prime (1332556213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 666278121 + 666278122.

It is an arithmetic number, because the mean of its divisors is an integer number (666278122).

Almost surely, 2^1332556243 is an apocalyptic number.

1332556243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1332556243 is an equidigital number, since it uses as much as digits as its factorization.

1332556243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64800, while the sum is 34.

The square root of 1332556243 is about 36504.1948685353. The cubic root of 1332556243 is about 1100.4285500989.

The spelling of 1332556243 in words is "one billion, three hundred thirty-two million, five hundred fifty-six thousand, two hundred forty-three".