524135252 has 6 divisors (see below), whose sum is σ = 917236698. Its totient is φ = 262067624.

The previous prime is 524135251. The next prime is 524135257. The reversal of 524135252 is 252531425.

It can be written as a sum of positive squares in only one way, i.e., 524135236 + 16 = 22894^2 + 4^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (524135251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65516903 + ... + 65516910.

It is an arithmetic number, because the mean of its divisors is an integer number (152872783).

Almost surely, 2^524135252 is an apocalyptic number.

It is an amenable number.

524135252 is a deficient number, since it is larger than the sum of its proper divisors (393101446).

524135252 is a wasteful number, since it uses less digits than its factorization.

524135252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131033817 (or 131033815 counting only the distinct ones).

The product of its digits is 12000, while the sum is 29.

The square root of 524135252 is about 22894.0003494365. Note that the first 3 decimals coincide. The cubic root of 524135252 is about 806.2711560500.

Adding to 524135252 its reverse (252531425), we get a palindrome (776666677).

The spelling of 524135252 in words is "five hundred twenty-four million, one hundred thirty-five thousand, two hundred fifty-two".