252520434 has 12 divisors (see below), whose sum is σ = 547127646. Its totient is φ = 84173472.

The previous prime is 252520423. The next prime is 252520439. The reversal of 252520434 is 434025252.

It is a happy number.

252520434 is digitally balanced in base 3, 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 only one way, i.e., 151216209 + 101304225 = 12297^2 + 10065^2 .

It is a junction number, because it is equal to n+sod(n) for n = 252520398 and 252520407.

It is not an unprimeable number, because it can be changed into a prime (252520439) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7014439 + ... + 7014474.

Almost surely, 2^252520434 is an apocalyptic number.

252520434 is an abundant number, since it is smaller than the sum of its proper divisors (294607212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

252520434 is a wasteful number, since it uses less digits than its factorization.

252520434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14028921 (or 14028918 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 252520434 is about 15890.8915420124. The cubic root of 252520434 is about 632.0704819781.

Adding to 252520434 its reverse (434025252), we get a palindrome (686545686).

The spelling of 252520434 in words is "two hundred fifty-two million, five hundred twenty thousand, four hundred thirty-four".