211442052 has 24 divisors (see below), whose sum is σ = 493612000. Its totient is φ = 70445376.

The previous prime is 211442029. The next prime is 211442071. The reversal of 211442052 is 250244112.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33699 + ... + 39477.

Almost surely, 2^211442052 is an apocalyptic number.

It is an amenable number.

211442052 is an abundant number, since it is smaller than the sum of its proper divisors (282169948).

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

211442052 is a wasteful number, since it uses less digits than its factorization.

211442052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8835 (or 8833 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 211442052 is about 14541.0471424860. The cubic root of 211442052 is about 595.7496396026.

Adding to 211442052 its reverse (250244112), we get a palindrome (461686164).

The spelling of 211442052 in words is "two hundred eleven million, four hundred forty-two thousand, fifty-two".