245131210453 has 2 divisors, whose sum is σ = 245131210454. Its totient is φ = 245131210452.

The previous prime is 245131210447. The next prime is 245131210463. The reversal of 245131210453 is 354012131542.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 231883660849 + 13247549604 = 481543^2 + 115098^2 .

It is a cyclic number.

It is not a de Polignac number, because 245131210453 - 2¹⁷ = 245131079381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245131210403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122565605226 + 122565605227.

It is an arithmetic number, because the mean of its divisors is an integer number (122565605227).

Almost surely, 2^245131210453 is an apocalyptic number.

It is an amenable number.

245131210453 is a deficient number, since it is larger than the sum of its proper divisors (1).

245131210453 is an equidigital number, since it uses as much as digits as its factorization.

245131210453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 245131210453 its reverse (354012131542), we get a palindrome (599143341995).

The spelling of 245131210453 in words is "two hundred forty-five billion, one hundred thirty-one million, two hundred ten thousand, four hundred fifty-three".