212532541 has 6 divisors (see below), whose sum is σ = 230138970. Its totient is φ = 196183728.

The previous prime is 212532517. The next prime is 212532571. The reversal of 212532541 is 145235212.

It can be written as a sum of positive squares in 3 ways, for example, as 6610041 + 205922500 = 2571^2 + 14350^2 .

It is a de Polignac number, because none of the positive numbers 2^k-212532541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212532571) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 628626 + ... + 628963.

It is an arithmetic number, because the mean of its divisors is an integer number (38356495).

Almost surely, 2^212532541 is an apocalyptic number.

It is an amenable number.

212532541 is a deficient number, since it is larger than the sum of its proper divisors (17606429).

212532541 is a wasteful number, since it uses less digits than its factorization.

212532541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1257615 (or 1257602 counting only the distinct ones).

The product of its digits is 2400, while the sum is 25.

The square root of 212532541 is about 14578.4958414783. The cubic root of 212532541 is about 596.7720549082.

Adding to 212532541 its reverse (145235212), we get a palindrome (357767753).

The spelling of 212532541 in words is "two hundred twelve million, five hundred thirty-two thousand, five hundred forty-one".