252412522 has 4 divisors (see below), whose sum is σ = 378618786. Its totient is φ = 126206260.

The previous prime is 252412519. The next prime is 252412529. The reversal of 252412522 is 225214252.

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

It can be written as a sum of positive squares in only one way, i.e., 189035001 + 63377521 = 13749^2 + 7961^2 .

It is not an unprimeable number, because it can be changed into a prime (252412529) 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 as a sum of consecutive naturals, namely, 63103129 + ... + 63103132.

Almost surely, 2^252412522 is an apocalyptic number.

252412522 is a deficient number, since it is larger than the sum of its proper divisors (126206264).

252412522 is a wasteful number, since it uses less digits than its factorization.

252412522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126206263.

The product of its digits is 3200, while the sum is 25.

The square root of 252412522 is about 15887.4957749798. The cubic root of 252412522 is about 631.9804328851.

Adding to 252412522 its reverse (225214252), we get a palindrome (477626774).

The spelling of 252412522 in words is "two hundred fifty-two million, four hundred twelve thousand, five hundred twenty-two".