192660953 has 2 divisors, whose sum is σ = 192660954. Its totient is φ = 192660952.

The previous prime is 192660929. The next prime is 192660959. The reversal of 192660953 is 359066291.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 131148304 + 61512649 = 11452^2 + 7843^2 .

It is an emirp because it is prime and its reverse (359066291) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-192660953 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 192660953.

It is not a weakly prime, because it can be changed into another prime (192660959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96330476 + 96330477.

It is an arithmetic number, because the mean of its divisors is an integer number (96330477).

Almost surely, 2^192660953 is an apocalyptic number.

It is an amenable number.

192660953 is a deficient number, since it is larger than the sum of its proper divisors (1).

192660953 is an equidigital number, since it uses as much as digits as its factorization.

192660953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 87480, while the sum is 41.

The square root of 192660953 is about 13880.2360570705. The cubic root of 192660953 is about 577.5610554939.

The spelling of 192660953 in words is "one hundred ninety-two million, six hundred sixty thousand, nine hundred fifty-three".