2153623522 has 4 divisors (see below), whose sum is σ = 3230435286. Its totient is φ = 1076811760.

The previous prime is 2153623403. The next prime is 2153623541. The reversal of 2153623522 is 2253263512.

2153623522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 2093886081 + 59737441 = 45759^2 + 7729^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 538405879 + ... + 538405882.

Almost surely, 2^2153623522 is an apocalyptic number.

2153623522 is a deficient number, since it is larger than the sum of its proper divisors (1076811764).

2153623522 is a wasteful number, since it uses less digits than its factorization.

2153623522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1076811763.

The product of its digits is 21600, while the sum is 31.

The square root of 2153623522 is about 46407.1494707443. The cubic root of 2153623522 is about 1291.3875505141.

The spelling of 2153623522 in words is "two billion, one hundred fifty-three million, six hundred twenty-three thousand, five hundred twenty-two".