982090457 has 2 divisors, whose sum is σ = 982090458. Its totient is φ = 982090456.

The previous prime is 982090453. The next prime is 982090463. The reversal of 982090457 is 754090289.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 847042816 + 135047641 = 29104^2 + 11621^2 .

It is an emirp because it is prime and its reverse (754090289) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 982090457 - 2² = 982090453 is a prime.

It is not a weakly prime, because it can be changed into another prime (982090453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 491045228 + 491045229.

It is an arithmetic number, because the mean of its divisors is an integer number (491045229).

Almost surely, 2^982090457 is an apocalyptic number.

It is an amenable number.

982090457 is a deficient number, since it is larger than the sum of its proper divisors (1).

982090457 is an equidigital number, since it uses as much as digits as its factorization.

982090457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 982090457 is about 31338.3224981810. The cubic root of 982090457 is about 993.9941543622.

The spelling of 982090457 in words is "nine hundred eighty-two million, ninety thousand, four hundred fifty-seven".