2131253 has 2 divisors, whose sum is σ = 2131254. Its totient is φ = 2131252.

The previous prime is 2131247. The next prime is 2131267. The reversal of 2131253 is 3521312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1965604 + 165649 = 1402^2 + 407^2 .

It is a cyclic number.

It is not a de Polignac number, because 2131253 - 2¹² = 2127157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2131223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065626 + 1065627.

It is an arithmetic number, because the mean of its divisors is an integer number (1065627).

2^2131253 is an apocalyptic number.

It is an amenable number.

2131253 is a deficient number, since it is larger than the sum of its proper divisors (1).

2131253 is an equidigital number, since it uses as much as digits as its factorization.

2131253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 180, while the sum is 17.

The square root of 2131253 is about 1459.8811595469. The cubic root of 2131253 is about 128.6900597603.

Adding to 2131253 its reverse (3521312), we get a palindrome (5652565).

The spelling of 2131253 in words is "two million, one hundred thirty-one thousand, two hundred fifty-three".