2153517326 has 4 divisors (see below), whose sum is σ = 3230275992. Its totient is φ = 1076758662.

The previous prime is 2153517319. The next prime is 2153517371. The reversal of 2153517326 is 6237153512.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 538379330 + ... + 538379333.

It is an arithmetic number, because the mean of its divisors is an integer number (807568998).

Almost surely, 2^2153517326 is an apocalyptic number.

2153517326 is a deficient number, since it is larger than the sum of its proper divisors (1076758666).

2153517326 is a wasteful number, since it uses less digits than its factorization.

2153517326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1076758665.

The product of its digits is 37800, while the sum is 35.

The square root of 2153517326 is about 46406.0052794894. The cubic root of 2153517326 is about 1291.3663238937.

The spelling of 2153517326 in words is "two billion, one hundred fifty-three million, five hundred seventeen thousand, three hundred twenty-six".