245520750253 has 2 divisors, whose sum is σ = 245520750254. Its totient is φ = 245520750252.

The previous prime is 245520750199. The next prime is 245520750259. The reversal of 245520750253 is 352057025542.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 141690510724 + 103830239529 = 376418^2 + 322227^2 .

It is a cyclic number.

It is not a de Polignac number, because 245520750253 - 2²⁹ = 244983879341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245520750259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122760375126 + 122760375127.

It is an arithmetic number, because the mean of its divisors is an integer number (122760375127).

Almost surely, 2^245520750253 is an apocalyptic number.

It is an amenable number.

245520750253 is a deficient number, since it is larger than the sum of its proper divisors (1).

245520750253 is an equidigital number, since it uses as much as digits as its factorization.

245520750253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 420000, while the sum is 40.

Adding to 245520750253 its reverse (352057025542), we get a palindrome (597577775795).

The spelling of 245520750253 in words is "two hundred forty-five billion, five hundred twenty million, seven hundred fifty thousand, two hundred fifty-three".