2650081 has 4 divisors (see below), whose sum is σ = 3028672. Its totient is φ = 2271492.

The previous prime is 2650073. The next prime is 2650091. The reversal of 2650081 is 1800562.

It is a happy number.

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 2650081 - 2³ = 2650073 is a prime.

It is a super-2 number, since 2×2650081² = 14045858613122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2650061) 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, 189285 + ... + 189298.

It is an arithmetic number, because the mean of its divisors is an integer number (757168).

2^2650081 is an apocalyptic number.

It is an amenable number.

2650081 is a deficient number, since it is larger than the sum of its proper divisors (378591).

2650081 is an equidigital number, since it uses as much as digits as its factorization.

2650081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378590.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 2650081 is about 1627.9069383721. The cubic root of 2650081 is about 138.3841602875.

The spelling of 2650081 in words is "two million, six hundred fifty thousand, eighty-one".