2051995 has 8 divisors (see below), whose sum is σ = 2686320. Its totient is φ = 1492320.

The previous prime is 2051969. The next prime is 2051999. The reversal of 2051995 is 5991502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2051995 - 2⁵ = 2051963 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2051999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18600 + ... + 18709.

It is an arithmetic number, because the mean of its divisors is an integer number (335790).

2^2051995 is an apocalyptic number.

2051995 is a deficient number, since it is larger than the sum of its proper divisors (634325).

2051995 is a wasteful number, since it uses less digits than its factorization.

2051995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37325.

The product of its (nonzero) digits is 4050, while the sum is 31.

The square root of 2051995 is about 1432.4786211319. The cubic root of 2051995 is about 127.0746043155.

The spelling of 2051995 in words is "two million, fifty-one thousand, nine hundred ninety-five".