2101253 has 16 divisors (see below), whose sum is σ = 2712960. Its totient is φ = 1579200.

The previous prime is 2101249. The next prime is 2101259. The reversal of 2101253 is 3521012.

It is a happy number.

It is not a de Polignac number, because 2101253 - 2² = 2101249 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101259) 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, 1763 + ... + 2703.

It is an arithmetic number, because the mean of its divisors is an integer number (169560).

2^2101253 is an apocalyptic number.

It is an amenable number.

2101253 is a deficient number, since it is larger than the sum of its proper divisors (611707).

2101253 is a wasteful number, since it uses less digits than its factorization.

2101253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 988.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 2101253 is about 1449.5699362225. The cubic root of 2101253 is about 128.0833807316.

Adding to 2101253 its reverse (3521012), we get a palindrome (5622265).

The spelling of 2101253 in words is "two million, one hundred one thousand, two hundred fifty-three".