325381748533 has 2 divisors, whose sum is σ = 325381748534. Its totient is φ = 325381748532.

The previous prime is 325381748513. The next prime is 325381748537. The reversal of 325381748533 is 335847183523.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 304943615089 + 20438133444 = 552217^2 + 142962^2 .

It is an emirp because it is prime and its reverse (335847183523) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-325381748533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (325381748537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162690874266 + 162690874267.

It is an arithmetic number, because the mean of its divisors is an integer number (162690874267).

Almost surely, 2^325381748533 is an apocalyptic number.

It is an amenable number.

325381748533 is a deficient number, since it is larger than the sum of its proper divisors (1).

325381748533 is an equidigital number, since it uses as much as digits as its factorization.

325381748533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7257600, while the sum is 52.

The spelling of 325381748533 in words is "three hundred twenty-five billion, three hundred eighty-one million, seven hundred forty-eight thousand, five hundred thirty-three".