211452252 has 96 divisors (see below), whose sum is σ = 558835200. Its totient is φ = 61670400.

The previous prime is 211452247. The next prime is 211452277. The reversal of 211452252 is 252254112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 481449 + ... + 481887.

It is an arithmetic number, because the mean of its divisors is an integer number (5821200).

Almost surely, 2^211452252 is an apocalyptic number.

211452252 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 211452252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (279417600).

211452252 is an abundant number, since it is smaller than the sum of its proper divisors (347382948).

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

211452252 is a wasteful number, since it uses less digits than its factorization.

211452252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587 (or 585 counting only the distinct ones).

The product of its digits is 1600, while the sum is 24.

The square root of 211452252 is about 14541.3978695310. The cubic root of 211452252 is about 595.7592191361.

The spelling of 211452252 in words is "two hundred eleven million, four hundred fifty-two thousand, two hundred fifty-two".