252513443 has 8 divisors (see below), whose sum is σ = 310785888. Its totient is φ = 199790784.

The previous prime is 252513431. The next prime is 252513449. The reversal of 252513443 is 344315252.

It is a happy number.

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 252513443 - 2²² = 248319139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (252513449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1387346 + ... + 1387527.

It is an arithmetic number, because the mean of its divisors is an integer number (38848236).

Almost surely, 2^252513443 is an apocalyptic number.

252513443 is a deficient number, since it is larger than the sum of its proper divisors (58272445).

252513443 is a wasteful number, since it uses less digits than its factorization.

252513443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2774893.

The product of its digits is 14400, while the sum is 29.

The square root of 252513443 is about 15890.6715717115. The cubic root of 252513443 is about 632.0646489907.

Adding to 252513443 its reverse (344315252), we get a palindrome (596828695).

The spelling of 252513443 in words is "two hundred fifty-two million, five hundred thirteen thousand, four hundred forty-three".