982513993 has 2 divisors, whose sum is σ = 982513994. Its totient is φ = 982513992.

The previous prime is 982513981. The next prime is 982514003. The reversal of 982513993 is 399315289.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 946669824 + 35844169 = 30768^2 + 5987^2 .

It is a cyclic number.

It is not a de Polignac number, because 982513993 - 2¹³ = 982505801 is a prime.

It is not a weakly prime, because it can be changed into another prime (982513913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 491256996 + 491256997.

It is an arithmetic number, because the mean of its divisors is an integer number (491256997).

Almost surely, 2^982513993 is an apocalyptic number.

It is an amenable number.

982513993 is a deficient number, since it is larger than the sum of its proper divisors (1).

982513993 is an equidigital number, since it uses as much as digits as its factorization.

982513993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 524880, while the sum is 49.

The square root of 982513993 is about 31345.0792469887. The cubic root of 982513993 is about 994.1370236877.

The spelling of 982513993 in words is "nine hundred eighty-two million, five hundred thirteen thousand, nine hundred ninety-three".