245131552033 has 2 divisors, whose sum is σ = 245131552034. Its totient is φ = 245131552032.

The previous prime is 245131551971. The next prime is 245131552129. The reversal of 245131552033 is 330255131542.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 244859697889 + 271854144 = 494833^2 + 16488^2 .

It is a cyclic number.

It is not a de Polignac number, because 245131552033 - 2³³ = 236541617441 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 245131552033.

It is not a weakly prime, because it can be changed into another prime (245131522033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122565776016 + 122565776017.

It is an arithmetic number, because the mean of its divisors is an integer number (122565776017).

Almost surely, 2^245131552033 is an apocalyptic number.

It is an amenable number.

245131552033 is a deficient number, since it is larger than the sum of its proper divisors (1).

245131552033 is an equidigital number, since it uses as much as digits as its factorization.

245131552033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54000, while the sum is 34.

Adding to 245131552033 its reverse (330255131542), we get a palindrome (575386683575).

The spelling of 245131552033 in words is "two hundred forty-five billion, one hundred thirty-one million, five hundred fifty-two thousand, thirty-three".