1329953 has 2 divisors, whose sum is σ = 1329954. Its totient is φ = 1329952.

The previous prime is 1329949. The next prime is 1329971. The reversal of 1329953 is 3599231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1024144 + 305809 = 1012^2 + 553^2 .

It is an emirp because it is prime and its reverse (3599231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1329953 - 2² = 1329949 is a prime.

It is not a weakly prime, because it can be changed into another prime (1329353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 664976 + 664977.

It is an arithmetic number, because the mean of its divisors is an integer number (664977).

2^1329953 is an apocalyptic number.

It is an amenable number.

1329953 is a deficient number, since it is larger than the sum of its proper divisors (1).

1329953 is an equidigital number, since it uses as much as digits as its factorization.

1329953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7290, while the sum is 32.

The square root of 1329953 is about 1153.2358822028. The cubic root of 1329953 is about 109.9711494586.

The spelling of 1329953 in words is "one million, three hundred twenty-nine thousand, nine hundred fifty-three".