17352531223961 has 2 divisors, whose sum is σ = 17352531223962. Its totient is φ = 17352531223960.

The previous prime is 17352531223943. The next prime is 17352531224027. The reversal of 17352531223961 is 16932213525371.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16078215355225 + 1274315868736 = 4009765^2 + 1128856^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-17352531223961 is a prime.

It is a super-2 number, since 2×17352531223961² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (17352531229961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8676265611980 + 8676265611981.

It is an arithmetic number, because the mean of its divisors is an integer number (8676265611981).

Almost surely, 2^{17352531223961} is an apocalyptic number.

It is an amenable number.

17352531223961 is a deficient number, since it is larger than the sum of its proper divisors (1).

17352531223961 is an equidigital number, since it uses as much as digits as its factorization.

17352531223961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2041200, while the sum is 50.

The spelling of 17352531223961 in words is "seventeen trillion, three hundred fifty-two billion, five hundred thirty-one million, two hundred twenty-three thousand, nine hundred sixty-one".