2195501 has 8 divisors (see below), whose sum is σ = 2737344. Its totient is φ = 1710720.

The previous prime is 2195471. The next prime is 2195521. The reversal of 2195501 is 1055912.

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

It is a de Polignac number, because none of the positive numbers 2^k-2195501 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2195521) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 14180 + ... + 14333.

It is an arithmetic number, because the mean of its divisors is an integer number (342168).

2^2195501 is an apocalyptic number.

It is an amenable number.

2195501 is a deficient number, since it is larger than the sum of its proper divisors (541843).

2195501 is a wasteful number, since it uses less digits than its factorization.

2195501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28531.

The product of its (nonzero) digits is 450, while the sum is 23.

The square root of 2195501 is about 1481.7223086665. The cubic root of 2195501 is about 129.9704271982.

The spelling of 2195501 in words is "two million, one hundred ninety-five thousand, five hundred one".