526247252 has 6 divisors (see below), whose sum is σ = 920932698. Its totient is φ = 263123624.

The previous prime is 526247207. The next prime is 526247303. The reversal of 526247252 is 252742625.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 348718276 + 177528976 = 18674^2 + 13324^2 .

It is a super-5 number, since 5×526247252⁵ (a number of 45 digits) contains 55555 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65780903 + ... + 65780910.

It is an arithmetic number, because the mean of its divisors is an integer number (153488783).

Almost surely, 2^526247252 is an apocalyptic number.

It is an amenable number.

526247252 is a deficient number, since it is larger than the sum of its proper divisors (394685446).

526247252 is a wasteful number, since it uses less digits than its factorization.

526247252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131561817 (or 131561815 counting only the distinct ones).

The product of its digits is 67200, while the sum is 35.

The square root of 526247252 is about 22940.0795988157. The cubic root of 526247252 is about 807.3526597144.

Adding to 526247252 its reverse (252742625), we get a palindrome (778989877).

The spelling of 526247252 in words is "five hundred twenty-six million, two hundred forty-seven thousand, two hundred fifty-two".