212532551 has 24 divisors (see below), whose sum is σ = 277022736. Its totient is φ = 161118720.

The previous prime is 212532517. The next prime is 212532571. The reversal of 212532551 is 155235212.

It is a de Polignac number, because none of the positive numbers 2^k-212532551 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212532551.

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14615 + ... + 25271.

It is an arithmetic number, because the mean of its divisors is an integer number (11542614).

Almost surely, 2^212532551 is an apocalyptic number.

212532551 is a deficient number, since it is larger than the sum of its proper divisors (64490185).

212532551 is a wasteful number, since it uses less digits than its factorization.

212532551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10719 (or 10712 counting only the distinct ones).

The product of its digits is 3000, while the sum is 26.

The square root of 212532551 is about 14578.4961844492. The cubic root of 212532551 is about 596.7720642679.

Adding to 212532551 its reverse (155235212), we get a palindrome (367767763).

The spelling of 212532551 in words is "two hundred twelve million, five hundred thirty-two thousand, five hundred fifty-one".