2157253 has 16 divisors (see below), whose sum is σ = 2580480. Its totient is φ = 1765296.

The previous prime is 2157251. The next prime is 2157257. The reversal of 2157253 is 3527512.

It is a cyclic number.

It is not a de Polignac number, because 2157253 - 2¹ = 2157251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2157251) 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, 25950 + ... + 26032.

It is an arithmetic number, because the mean of its divisors is an integer number (161280).

2^2157253 is an apocalyptic number.

It is an amenable number.

2157253 is a deficient number, since it is larger than the sum of its proper divisors (423227).

2157253 is an equidigital number, since it uses as much as digits as its factorization.

2157253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216.

The product of its digits is 2100, while the sum is 25.

The square root of 2157253 is about 1468.7589999724. The cubic root of 2157253 is about 129.2112597100.

The spelling of 2157253 in words is "two million, one hundred fifty-seven thousand, two hundred fifty-three".