211377252 has 24 divisors (see below), whose sum is σ = 522226656. Its totient is φ = 66314368.

The previous prime is 211377247. The next prime is 211377253. The reversal of 211377252 is 252773112.

It is a super-3 number, since 3×211377252³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (211377253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 517878 + ... + 518285.

It is an arithmetic number, because the mean of its divisors is an integer number (21759444).

Almost surely, 2^211377252 is an apocalyptic number.

It is an amenable number.

211377252 is an abundant number, since it is smaller than the sum of its proper divisors (310849404).

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

211377252 is a wasteful number, since it uses less digits than its factorization.

211377252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036187 (or 1036185 counting only the distinct ones).

The product of its digits is 5880, while the sum is 30.

The square root of 211377252 is about 14538.8187965873. The cubic root of 211377252 is about 595.6887741935.

The spelling of 211377252 in words is "two hundred eleven million, three hundred seventy-seven thousand, two hundred fifty-two".