520242452 has 6 divisors (see below), whose sum is σ = 910424298. Its totient is φ = 260121224.

The previous prime is 520242431. The next prime is 520242473. The reversal of 520242452 is 254242025.

It is an interprime number because it is at equal distance from previous prime (520242431) and next prime (520242473).

It can be written as a sum of positive squares in only one way, i.e., 407797636 + 112444816 = 20194^2 + 10604^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65030303 + ... + 65030310.

It is an arithmetic number, because the mean of its divisors is an integer number (151737383).

Almost surely, 2^520242452 is an apocalyptic number.

It is an amenable number.

520242452 is a deficient number, since it is larger than the sum of its proper divisors (390181846).

520242452 is a wasteful number, since it uses less digits than its factorization.

520242452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130060617 (or 130060615 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 520242452 is about 22808.8239942352. The cubic root of 520242452 is about 804.2701108889.

Adding to 520242452 its reverse (254242025), we get a palindrome (774484477).

The spelling of 520242452 in words is "five hundred twenty million, two hundred forty-two thousand, four hundred fifty-two".