2170253 has 8 divisors (see below), whose sum is σ = 2276736. Its totient is φ = 2066400.

The previous prime is 2170247. The next prime is 2170261. The reversal of 2170253 is 3520712.

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

It is not a de Polignac number, because 2170253 - 2⁸ = 2169997 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2170213) 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, 1148 + ... + 2378.

It is an arithmetic number, because the mean of its divisors is an integer number (284592).

2^2170253 is an apocalyptic number.

It is an amenable number.

2170253 is a deficient number, since it is larger than the sum of its proper divisors (106483).

2170253 is a wasteful number, since it uses less digits than its factorization.

2170253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1315.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 2170253 is about 1473.1778575583. The cubic root of 2170253 is about 129.4702902881.

Adding to 2170253 its reverse (3520712), we get a palindrome (5690965).

The spelling of 2170253 in words is "two million, one hundred seventy thousand, two hundred fifty-three".