985254997 has 2 divisors, whose sum is σ = 985254998. Its totient is φ = 985254996.

The previous prime is 985254947. The next prime is 985255003. The reversal of 985254997 is 799452589.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 696220996 + 289034001 = 26386^2 + 17001^2 .

It is a cyclic number.

It is not a de Polignac number, because 985254997 - 2⁷ = 985254869 is a prime.

It is a super-2 number, since 2×985254997² = 1941454818226940018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (985254947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 492627498 + 492627499.

It is an arithmetic number, because the mean of its divisors is an integer number (492627499).

Almost surely, 2^985254997 is an apocalyptic number.

It is an amenable number.

985254997 is a deficient number, since it is larger than the sum of its proper divisors (1).

985254997 is an equidigital number, since it uses as much as digits as its factorization.

985254997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8164800, while the sum is 58.

The square root of 985254997 is about 31388.7718300669. The cubic root of 985254997 is about 995.0606419106.

The spelling of 985254997 in words is "nine hundred eighty-five million, two hundred fifty-four thousand, nine hundred ninety-seven".