2106356252 has 48 divisors (see below), whose sum is σ = 4949210112. Its totient is φ = 757529280.

The previous prime is 2106356249. The next prime is 2106356257. The reversal of 2106356252 is 2526536012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2106356257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 259028 + ... + 267035.

It is an arithmetic number, because the mean of its divisors is an integer number (103108544).

Almost surely, 2^2106356252 is an apocalyptic number.

2106356252 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2106356252 is an abundant number, since it is smaller than the sum of its proper divisors (2842853860).

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

2106356252 is a wasteful number, since it uses less digits than its factorization.

2106356252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526098 (or 526096 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 2106356252 is about 45895.0569451657. The cubic root of 2106356252 is about 1281.8698769396.

The spelling of 2106356252 in words is "two billion, one hundred six million, three hundred fifty-six thousand, two hundred fifty-two".