252223543 has 48 divisors (see below), whose sum is σ = 330137856. Its totient is φ = 189995520.

The previous prime is 252223523. The next prime is 252223547. The reversal of 252223543 is 345322252.

It is a happy number.

It is not a de Polignac number, because 252223543 - 2⁵ = 252223511 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 (252223547) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 726696 + ... + 727042.

It is an arithmetic number, because the mean of its divisors is an integer number (6877872).

Almost surely, 2^252223543 is an apocalyptic number.

252223543 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

252223543 is a deficient number, since it is larger than the sum of its proper divisors (77914313).

252223543 is a wasteful number, since it uses less digits than its factorization.

252223543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424 (or 411 counting only the distinct ones).

The product of its digits is 14400, while the sum is 28.

The square root of 252223543 is about 15881.5472483005. The cubic root of 252223543 is about 631.8226741398.

Adding to 252223543 its reverse (345322252), we get a palindrome (597545795).

The spelling of 252223543 in words is "two hundred fifty-two million, two hundred twenty-three thousand, five hundred forty-three".