2159453 has 2 divisors, whose sum is σ = 2159454. Its totient is φ = 2159452.

The previous prime is 2159449. The next prime is 2159473. The reversal of 2159453 is 3549512.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2079364 + 80089 = 1442^2 + 283^2 .

It is a cyclic number.

It is not a de Polignac number, because 2159453 - 2² = 2159449 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2159473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1079726 + 1079727.

It is an arithmetic number, because the mean of its divisors is an integer number (1079727).

2^2159453 is an apocalyptic number.

It is an amenable number.

2159453 is a deficient number, since it is larger than the sum of its proper divisors (1).

2159453 is an equidigital number, since it uses as much as digits as its factorization.

2159453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5400, while the sum is 29.

The square root of 2159453 is about 1469.5077407078. The cubic root of 2159453 is about 129.2551686679.

The spelling of 2159453 in words is "two million, one hundred fifty-nine thousand, four hundred fifty-three".