983922257 has 2 divisors, whose sum is σ = 983922258. Its totient is φ = 983922256.

The previous prime is 983922217. The next prime is 983922271. The reversal of 983922257 is 752229389.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 933852481 + 50069776 = 30559^2 + 7076^2 .

It is a cyclic number.

It is not a de Polignac number, because 983922257 - 2¹⁰ = 983921233 is a prime.

It is not a weakly prime, because it can be changed into another prime (983922217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 491961128 + 491961129.

It is an arithmetic number, because the mean of its divisors is an integer number (491961129).

Almost surely, 2^983922257 is an apocalyptic number.

It is an amenable number.

983922257 is a deficient number, since it is larger than the sum of its proper divisors (1).

983922257 is an equidigital number, since it uses as much as digits as its factorization.

983922257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 544320, while the sum is 47.

The square root of 983922257 is about 31367.5350800792. The cubic root of 983922257 is about 994.6117714722.

The spelling of 983922257 in words is "nine hundred eighty-three million, nine hundred twenty-two thousand, two hundred fifty-seven".