252289453 has 12 divisors (see below), whose sum is σ = 274027860. Its totient is φ = 232167936.

The previous prime is 252289403. The next prime is 252289463. The reversal of 252289453 is 354982252.

252289453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 1447209 + 250842244 = 1203^2 + 15838^2 .

It is not a de Polignac number, because 252289453 - 2¹³ = 252281261 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 (252289403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57543 + ... + 61771.

It is an arithmetic number, because the mean of its divisors is an integer number (22835655).

Almost surely, 2^252289453 is an apocalyptic number.

It is an amenable number.

252289453 is a deficient number, since it is larger than the sum of its proper divisors (21738407).

252289453 is a wasteful number, since it uses less digits than its factorization.

252289453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4608 (or 4595 counting only the distinct ones).

The product of its digits is 172800, while the sum is 40.

The square root of 252289453 is about 15883.6221624666. The cubic root of 252289453 is about 631.8777044318.

The spelling of 252289453 in words is "two hundred fifty-two million, two hundred eighty-nine thousand, four hundred fifty-three".