252544411 has 4 divisors (see below), whose sum is σ = 288622192. Its totient is φ = 216466632.

The previous prime is 252544387. The next prime is 252544429. The reversal of 252544411 is 114445252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 252544411 - 2⁷ = 252544283 is a prime.

It is a super-3 number, since 3×252544411³ (a number of 26 digits) contains 333 as substring.

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 252544411.

It is not an unprimeable number, because it can be changed into a prime (252544451) 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, 18038880 + ... + 18038893.

It is an arithmetic number, because the mean of its divisors is an integer number (72155548).

Almost surely, 2^252544411 is an apocalyptic number.

252544411 is a deficient number, since it is larger than the sum of its proper divisors (36077781).

252544411 is an equidigital number, since it uses as much as digits as its factorization.

252544411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36077780.

The product of its digits is 6400, while the sum is 28.

The square root of 252544411 is about 15891.6459499952. The cubic root of 252544411 is about 632.0904865299.

Adding to 252544411 its reverse (114445252), we get a palindrome (366989663).

The spelling of 252544411 in words is "two hundred fifty-two million, five hundred forty-four thousand, four hundred eleven".