252243553 has 8 divisors (see below), whose sum is σ = 265926528. Its totient is φ = 238786944.

The previous prime is 252243539. The next prime is 252243571. The reversal of 252243553 is 355342252.

252243553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 252243553 - 2¹⁷ = 252112481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252243503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54301 + ... + 58762.

It is an arithmetic number, because the mean of its divisors is an integer number (33240816).

Almost surely, 2^252243553 is an apocalyptic number.

252243553 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

252243553 is a deficient number, since it is larger than the sum of its proper divisors (13682975).

252243553 is a wasteful number, since it uses less digits than its factorization.

252243553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113183.

The product of its digits is 36000, while the sum is 31.

The square root of 252243553 is about 15882.1772122087. The cubic root of 252243553 is about 631.8393821194.

The spelling of 252243553 in words is "two hundred fifty-two million, two hundred forty-three thousand, five hundred fifty-three".