2195545 has 24 divisors (see below), whose sum is σ = 3064320. Its totient is φ = 1504800.

The previous prime is 2195527. The next prime is 2195563. The reversal of 2195545 is 5455912.

It is an interprime number because it is at equal distance from previous prime (2195527) and next prime (2195563).

It is a de Polignac number, because none of the positive numbers 2^k-2195545 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11400 + ... + 11590.

It is an arithmetic number, because the mean of its divisors is an integer number (127680).

2^2195545 is an apocalyptic number.

2195545 is the 1210-th pentagonal number.

It is an amenable number.

2195545 is a deficient number, since it is larger than the sum of its proper divisors (868775).

2195545 is a wasteful number, since it uses less digits than its factorization.

2195545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237 (or 226 counting only the distinct ones).

The product of its digits is 9000, while the sum is 31.

The square root of 2195545 is about 1481.7371561785. The cubic root of 2195545 is about 129.9712954375.

The spelling of 2195545 in words is "two million, one hundred ninety-five thousand, five hundred forty-five".