192314981 has 2 divisors, whose sum is σ = 192314982. Its totient is φ = 192314980.

The previous prime is 192314971. The next prime is 192315047. The reversal of 192314981 is 189413291.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 123988225 + 68326756 = 11135^2 + 8266^2 .

It is an emirp because it is prime and its reverse (189413291) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-192314981 is a prime.

It is a super-2 number, since 2×192314981² = 73970103834060722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (192314951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96157490 + 96157491.

It is an arithmetic number, because the mean of its divisors is an integer number (96157491).

Almost surely, 2^192314981 is an apocalyptic number.

It is an amenable number.

192314981 is a deficient number, since it is larger than the sum of its proper divisors (1).

192314981 is an equidigital number, since it uses as much as digits as its factorization.

192314981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 38.

The square root of 192314981 is about 13867.7677006792. The cubic root of 192314981 is about 577.2151288299.

The spelling of 192314981 in words is "one hundred ninety-two million, three hundred fourteen thousand, nine hundred eighty-one".