2159534 has 8 divisors (see below), whose sum is σ = 3488520. Its totient is φ = 996696.

The previous prime is 2159533. The next prime is 2159537. The reversal of 2159534 is 4359512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2159497 and 2159506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2159533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41504 + ... + 41555.

It is an arithmetic number, because the mean of its divisors is an integer number (436065).

2^2159534 is an apocalyptic number.

2159534 is a deficient number, since it is larger than the sum of its proper divisors (1328986).

2159534 is a wasteful number, since it uses less digits than its factorization.

2159534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83074.

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

The square root of 2159534 is about 1469.5353006988. The cubic root of 2159534 is about 129.2567847466.

The spelling of 2159534 in words is "two million, one hundred fifty-nine thousand, five hundred thirty-four".