245312405252351 has 2 divisors, whose sum is σ = 245312405252352. Its totient is φ = 245312405252350.

The previous prime is 245312405252339. The next prime is 245312405252393. The reversal of 245312405252351 is 153252504213542.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 245312405252351 - 2²⁶ = 245312338143487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245312405252251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122656202626175 + 122656202626176.

It is an arithmetic number, because the mean of its divisors is an integer number (122656202626176).

Almost surely, 2^{245312405252351} is an apocalyptic number.

245312405252351 is a deficient number, since it is larger than the sum of its proper divisors (1).

245312405252351 is an equidigital number, since it uses as much as digits as its factorization.

245312405252351 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440000, while the sum is 44.

Adding to 245312405252351 its reverse (153252504213542), we get a palindrome (398564909465893).

The spelling of 245312405252351 in words is "two hundred forty-five trillion, three hundred twelve billion, four hundred five million, two hundred fifty-two thousand, three hundred fifty-one".