345523653060281 has 2 divisors, whose sum is σ = 345523653060282. Its totient is φ = 345523653060280.

The previous prime is 345523653060263. The next prime is 345523653060367. The reversal of 345523653060281 is 182060356325543.

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., 216859641084025 + 128664011976256 = 14726155^2 + 11343016^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345523653060281 is a prime.

It is a super-2 number, since 2×345523653060281² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (345523653066281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172761826530140 + 172761826530141.

It is an arithmetic number, because the mean of its divisors is an integer number (172761826530141).

Almost surely, 2^{345523653060281} is an apocalyptic number.

It is an amenable number.

345523653060281 is a deficient number, since it is larger than the sum of its proper divisors (1).

345523653060281 is an equidigital number, since it uses as much as digits as its factorization.

345523653060281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552000, while the sum is 53.

The spelling of 345523653060281 in words is "three hundred forty-five trillion, five hundred twenty-three billion, six hundred fifty-three million, sixty thousand, two hundred eighty-one".