223532541 has 42 divisors (see below), whose sum is σ = 356355162. Its totient is φ = 140123520.

The previous prime is 223532531. The next prime is 223532563. The reversal of 223532541 is 145235322.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 108056025 + 115476516 = 10395^2 + 10746^2 .

It is not a de Polignac number, because 223532541 - 2⁵ = 223532509 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223532501) by changing a digit.

It is a polite number, since it can be written in 41 ways as a sum of consecutive naturals, for example, 210151 + ... + 211211.

Almost surely, 2^223532541 is an apocalyptic number.

It is an amenable number.

223532541 is a deficient number, since it is larger than the sum of its proper divisors (132822621).

223532541 is an equidigital number, since it uses as much as digits as its factorization.

223532541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1113 (or 1081 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 223532541 is about 14951.0046819603. The cubic root of 223532541 is about 606.8950356207.

Adding to 223532541 its reverse (145235322), we get a palindrome (368767863).

The spelling of 223532541 in words is "two hundred twenty-three million, five hundred thirty-two thousand, five hundred forty-one".