2131295 has 16 divisors (see below), whose sum is σ = 2737152. Its totient is φ = 1589280.

The previous prime is 2131291. The next prime is 2131319. The reversal of 2131295 is 5921312.

It is not a de Polignac number, because 2131295 - 2² = 2131291 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2131295.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131291) 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, 4730 + ... + 5160.

It is an arithmetic number, because the mean of its divisors is an integer number (171072).

2^2131295 is an apocalyptic number.

2131295 is a deficient number, since it is larger than the sum of its proper divisors (605857).

2131295 is a wasteful number, since it uses less digits than its factorization.

2131295 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502.

The product of its digits is 540, while the sum is 23.

The square root of 2131295 is about 1459.8955442086. The cubic root of 2131295 is about 128.6909051076.

2131295 divided by its sum of digits (23) gives a triangular number (92665 = T₄₃₀).

The spelling of 2131295 in words is "two million, one hundred thirty-one thousand, two hundred ninety-five".