2013081 has 16 divisors (see below), whose sum is σ = 3087744. Its totient is φ = 1142784.

The previous prime is 2013079. The next prime is 2013083. The reversal of 2013081 is 1803102.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2013079) and next prime (2013083).

It is not a de Polignac number, because 2013081 - 2¹ = 2013079 is a prime.

It is a super-2 number, since 2×2013081² = 8104990225122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2013081.

It is not an unprimeable number, because it can be changed into a prime (2013083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5211 + ... + 5583.

It is an arithmetic number, because the mean of its divisors is an integer number (192984).

2^2013081 is an apocalyptic number.

2013081 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2013081 is a deficient number, since it is larger than the sum of its proper divisors (1074663).

2013081 is a wasteful number, since it uses less digits than its factorization.

2013081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 2013081 is about 1418.8308567268. The cubic root of 2013081 is about 126.2661920872.

Adding to 2013081 its reverse (1803102), we get a palindrome (3816183).

The spelling of 2013081 in words is "two million, thirteen thousand, eighty-one".