207043081 has 12 divisors (see below), whose sum is σ = 243190272. Its totient is φ = 175738248.

The previous prime is 207043073. The next prime is 207043087. The reversal of 207043081 is 180340702.

It is not a de Polignac number, because 207043081 - 2³ = 207043073 is a prime.

It is a super-2 number, since 2×207043081² = 85733674779945122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (207043087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15465 + ... + 25558.

It is an arithmetic number, because the mean of its divisors is an integer number (20265856).

Almost surely, 2^207043081 is an apocalyptic number.

It is an amenable number.

207043081 is a deficient number, since it is larger than the sum of its proper divisors (36147191).

207043081 is a wasteful number, since it uses less digits than its factorization.

207043081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41140 (or 41133 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 207043081 is about 14388.9916602936. The cubic root of 207043081 is about 591.5892049442.

Adding to 207043081 its reverse (180340702), we get a palindrome (387383783).

The spelling of 207043081 in words is "two hundred seven million, forty-three thousand, eighty-one".