2351081 has 4 divisors (see below), whose sum is σ = 2401152. Its totient is φ = 2301012.

The previous prime is 2351053. The next prime is 2351099. The reversal of 2351081 is 1801532.

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 2351081 - 2¹⁰ = 2350057 is a prime.

It is a super-2 number, since 2×2351081² = 11055163737122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2351281) 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, 24965 + ... + 25058.

It is an arithmetic number, because the mean of its divisors is an integer number (600288).

2^2351081 is an apocalyptic number.

It is an amenable number.

2351081 is a deficient number, since it is larger than the sum of its proper divisors (50071).

2351081 is an equidigital number, since it uses as much as digits as its factorization.

2351081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50070.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 2351081 is about 1533.3235144613. The cubic root of 2351081 is about 132.9706721095.

The spelling of 2351081 in words is "two million, three hundred fifty-one thousand, eighty-one".