211125250 has 64 divisors (see below), whose sum is σ = 454551552. Its totient is φ = 71928000.

The previous prime is 211125247. The next prime is 211125251. The reversal of 211125250 is 52521112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211125251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 389980 + ... + 390520.

It is an arithmetic number, because the mean of its divisors is an integer number (7102368).

Almost surely, 2^211125250 is an apocalyptic number.

211125250 is an abundant number, since it is smaller than the sum of its proper divisors (243426302).

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

211125250 is a wasteful number, since it uses less digits than its factorization.

211125250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788 (or 778 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 211125250 is about 14530.1496895249. The cubic root of 211125250 is about 595.4519551796.

Adding to 211125250 its reverse (52521112), we get a palindrome (263646362).

It can be divided in two parts, 21112 and 5250, that added together give a palindrome (26362).

The spelling of 211125250 in words is "two hundred eleven million, one hundred twenty-five thousand, two hundred fifty".