2105523252 has 36 divisors (see below), whose sum is σ = 6082623456. Its totient is φ = 601578000.

The previous prime is 2105523239. The next prime is 2105523263. The reversal of 2105523252 is 2523255012.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×2105523252³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4177374 + ... + 4177877.

Almost surely, 2^2105523252 is an apocalyptic number.

It is an amenable number.

2105523252 is an abundant number, since it is smaller than the sum of its proper divisors (3977100204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2105523252 is a wasteful number, since it uses less digits than its factorization.

2105523252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8355268 (or 8355263 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 2105523252 is about 45885.9809963784. The cubic root of 2105523252 is about 1281.7008744425.

Adding to 2105523252 its reverse (2523255012), we get a palindrome (4628778264).

The spelling of 2105523252 in words is "two billion, one hundred five million, five hundred twenty-three thousand, two hundred fifty-two".