2157095 has 16 divisors (see below), whose sum is σ = 2703360. Its totient is φ = 1651104.

The previous prime is 2157091. The next prime is 2157097. The reversal of 2157095 is 5907512.

It is a cyclic number.

It is not a de Polignac number, because 2157095 - 2² = 2157091 is a prime.

2157095 is a modest number, since divided by 7095 gives 215 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2157091) 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, 16922 + ... + 17048.

It is an arithmetic number, because the mean of its divisors is an integer number (168960).

2^2157095 is an apocalyptic number.

2157095 is a deficient number, since it is larger than the sum of its proper divisors (546265).

2157095 is a wasteful number, since it uses less digits than its factorization.

2157095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254.

The product of its (nonzero) digits is 3150, while the sum is 29.

The square root of 2157095 is about 1468.7052120831. The cubic root of 2157095 is about 129.2081050998.

The spelling of 2157095 in words is "two million, one hundred fifty-seven thousand, ninety-five".