2913081 has 4 divisors (see below), whose sum is σ = 3884112. Its totient is φ = 1942052.

The previous prime is 2913067. The next prime is 2913083. The reversal of 2913081 is 1803192.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2913081 - 2⁷ = 2912953 is a prime.

It is a super-2 number, since 2×2913081² = 16972081825122, which contains 22 as substring.

It is an Ulam number.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (2913083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 485511 + ... + 485516.

It is an arithmetic number, because the mean of its divisors is an integer number (971028).

2^2913081 is an apocalyptic number.

It is an amenable number.

2913081 is a deficient number, since it is larger than the sum of its proper divisors (971031).

2913081 is an equidigital number, since it uses as much as digits as its factorization.

2913081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971030.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 2913081 is about 1706.7750291119. The cubic root of 2913081 is about 142.8184077362.

The spelling of 2913081 in words is "two million, nine hundred thirteen thousand, eighty-one".