2159049 has 4 divisors (see below), whose sum is σ = 2878736. Its totient is φ = 1439364.

The previous prime is 2159041. The next prime is 2159063. The reversal of 2159049 is 9409512.

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 not a de Polignac number, because 2159049 - 2³ = 2159041 is a prime.

It is a super-2 number, since 2×2159049² = 9322985168802, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2159041) 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, 359839 + ... + 359844.

It is an arithmetic number, because the mean of its divisors is an integer number (719684).

2^2159049 is an apocalyptic number.

It is an amenable number.

2159049 is a deficient number, since it is larger than the sum of its proper divisors (719687).

2159049 is an equidigital number, since it uses as much as digits as its factorization.

2159049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719686.

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 2159049 is about 1469.3702732804. The cubic root of 2159049 is about 129.2471076227.

The spelling of 2159049 in words is "two million, one hundred fifty-nine thousand, forty-nine".