245533234553 has 2 divisors, whose sum is σ = 245533234554. Its totient is φ = 245533234552.

The previous prime is 245533234537. The next prime is 245533234571. The reversal of 245533234553 is 355432335542.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134984964409 + 110548270144 = 367403^2 + 332488^2 .

It is a cyclic number.

It is not a de Polignac number, because 245533234553 - 2⁴ = 245533234537 is a prime.

It is not a weakly prime, because it can be changed into another prime (245530234553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122766617276 + 122766617277.

It is an arithmetic number, because the mean of its divisors is an integer number (122766617277).

Almost surely, 2^245533234553 is an apocalyptic number.

It is an amenable number.

245533234553 is a deficient number, since it is larger than the sum of its proper divisors (1).

245533234553 is an equidigital number, since it uses as much as digits as its factorization.

245533234553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3240000, while the sum is 44.

The spelling of 245533234553 in words is "two hundred forty-five billion, five hundred thirty-three million, two hundred thirty-four thousand, five hundred fifty-three".