212525131 has 8 divisors (see below), whose sum is σ = 261569504. Its totient is φ = 168151680.

The previous prime is 212525087. The next prime is 212525171. The reversal of 212525131 is 131525212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212525131 - 2¹⁹ = 212000843 is a prime.

It is a super-2 number, since 2×212525131² = 90333862613134322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212525171) 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, 1167630 + ... + 1167811.

It is an arithmetic number, because the mean of its divisors is an integer number (32696188).

Almost surely, 2^212525131 is an apocalyptic number.

212525131 is a deficient number, since it is larger than the sum of its proper divisors (49044373).

212525131 is a wasteful number, since it uses less digits than its factorization.

212525131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2335461.

The product of its digits is 600, while the sum is 22.

The square root of 212525131 is about 14578.2416978180. The cubic root of 212525131 is about 596.7651192921.

The spelling of 212525131 in words is "two hundred twelve million, five hundred twenty-five thousand, one hundred thirty-one".