2153429 has 2 divisors, whose sum is σ = 2153430. Its totient is φ = 2153428.

The previous prime is 2153419. The next prime is 2153449. The reversal of 2153429 is 9243512.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1620529 + 532900 = 1273^2 + 730^2 .

It is a cyclic number.

It is not a de Polignac number, because 2153429 - 2²⁰ = 1104853 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2153398 and 2153407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2153419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1076714 + 1076715.

It is an arithmetic number, because the mean of its divisors is an integer number (1076715).

2^2153429 is an apocalyptic number.

It is an amenable number.

2153429 is a deficient number, since it is larger than the sum of its proper divisors (1).

2153429 is an equidigital number, since it uses as much as digits as its factorization.

2153429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 26.

The square root of 2153429 is about 1467.4566433118. The cubic root of 2153429 is about 129.1348668625.

The spelling of 2153429 in words is "two million, one hundred fifty-three thousand, four hundred twenty-nine".