322151220253 has 2 divisors, whose sum is σ = 322151220254. Its totient is φ = 322151220252.

The previous prime is 322151220229. The next prime is 322151220271. The reversal of 322151220253 is 352022151223.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 322120948249 + 30272004 = 567557^2 + 5502^2 .

It is a cyclic number.

It is not a de Polignac number, because 322151220253 - 2¹⁷ = 322151089181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (322151220203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161075610126 + 161075610127.

It is an arithmetic number, because the mean of its divisors is an integer number (161075610127).

Almost surely, 2^322151220253 is an apocalyptic number.

It is an amenable number.

322151220253 is a deficient number, since it is larger than the sum of its proper divisors (1).

322151220253 is an equidigital number, since it uses as much as digits as its factorization.

322151220253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 322151220253 its reverse (352022151223), we get a palindrome (674173371476).

The spelling of 322151220253 in words is "three hundred twenty-two billion, one hundred fifty-one million, two hundred twenty thousand, two hundred fifty-three".