605666154253 has 2 divisors, whose sum is σ = 605666154254. Its totient is φ = 605666154252.

The previous prime is 605666154221. The next prime is 605666154257. The reversal of 605666154253 is 352451666506.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 436335550249 + 169330604004 = 660557^2 + 411498^2 .

It is a cyclic number.

It is not a de Polignac number, because 605666154253 - 2⁵ = 605666154221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 605666154197 and 605666154206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (605666154257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302833077126 + 302833077127.

It is an arithmetic number, because the mean of its divisors is an integer number (302833077127).

Almost surely, 2^605666154253 is an apocalyptic number.

It is an amenable number.

605666154253 is a deficient number, since it is larger than the sum of its proper divisors (1).

605666154253 is an equidigital number, since it uses as much as digits as its factorization.

605666154253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888000, while the sum is 49.

The spelling of 605666154253 in words is "six hundred five billion, six hundred sixty-six million, one hundred fifty-four thousand, two hundred fifty-three".