213532041 has 4 divisors (see below), whose sum is σ = 284709392. Its totient is φ = 142354692.

The previous prime is 213532031. The next prime is 213532057. The reversal of 213532041 is 140235312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 213532041 - 2¹⁸ = 213269897 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213531999 and 213532017.

It is not an unprimeable number, because it can be changed into a prime (213532031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35588671 + ... + 35588676.

It is an arithmetic number, because the mean of its divisors is an integer number (71177348).

Almost surely, 2^213532041 is an apocalyptic number.

It is an amenable number.

213532041 is a deficient number, since it is larger than the sum of its proper divisors (71177351).

213532041 is an equidigital number, since it uses as much as digits as its factorization.

213532041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71177350.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 213532041 is about 14612.7355755177. The cubic root of 213532041 is about 597.7060939459.

Adding to 213532041 its reverse (140235312), we get a palindrome (353767353).

The spelling of 213532041 in words is "two hundred thirteen million, five hundred thirty-two thousand, forty-one".