985255001 has 16 divisors (see below), whose sum is σ = 1041828480. Its totient is φ = 930733440.

The previous prime is 985254997. The next prime is 985255003. The reversal of 985255001 is 100552589.

It is a cyclic number.

It is not a de Polignac number, because 985255001 - 2² = 985254997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (985255003) 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 in 15 ways as a sum of consecutive naturals, for example, 158765 + ... + 164853.

It is an arithmetic number, because the mean of its divisors is an integer number (65114280).

Almost surely, 2^985255001 is an apocalyptic number.

It is an amenable number.

985255001 is a deficient number, since it is larger than the sum of its proper divisors (56573479).

985255001 is a wasteful number, since it uses less digits than its factorization.

985255001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6256.

The product of its (nonzero) digits is 18000, while the sum is 35.

The square root of 985255001 is about 31388.7718937839. The cubic root of 985255001 is about 995.0606432572.

The spelling of 985255001 in words is "nine hundred eighty-five million, two hundred fifty-five thousand, one".