2149065 has 16 divisors (see below), whose sum is σ = 3820800. Its totient is φ = 1146096.

The previous prime is 2149061. The next prime is 2149067. The reversal of 2149065 is 5609412.

It is not a de Polignac number, because 2149065 - 2² = 2149061 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2149061) 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, 7825 + ... + 8094.

It is an arithmetic number, because the mean of its divisors is an integer number (238800).

2^2149065 is an apocalyptic number.

It is an amenable number.

2149065 is a deficient number, since it is larger than the sum of its proper divisors (1671735).

2149065 is a wasteful number, since it uses less digits than its factorization.

2149065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15933 (or 15927 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 2149065 is about 1465.9689628365. The cubic root of 2149065 is about 129.0475757454.

The spelling of 2149065 in words is "two million, one hundred forty-nine thousand, sixty-five".