252034521 has 4 divisors (see below), whose sum is σ = 336046032. Its totient is φ = 168023012.

The previous prime is 252034499. The next prime is 252034589. The reversal of 252034521 is 125430252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 252034521 - 2⁹ = 252034009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 252034491 and 252034500.

It is not an unprimeable number, because it can be changed into a prime (252034591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42005751 + ... + 42005756.

It is an arithmetic number, because the mean of its divisors is an integer number (84011508).

Almost surely, 2^252034521 is an apocalyptic number.

It is an amenable number.

252034521 is a deficient number, since it is larger than the sum of its proper divisors (84011511).

252034521 is an equidigital number, since it uses as much as digits as its factorization.

252034521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84011510.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 252034521 is about 15875.5951384507. The cubic root of 252034521 is about 631.6648006511.

Adding to 252034521 its reverse (125430252), we get a palindrome (377464773).

The spelling of 252034521 in words is "two hundred fifty-two million, thirty-four thousand, five hundred twenty-one".