513526252 has 6 divisors (see below), whose sum is σ = 898670948.
Its totient is φ = 256763124.
The previous prime is 513526217. The next prime is 513526283. The reversal of 513526252 is 252625315.
It is a happy number.
It is a super-2 number, since 2×5135262522 = 527418422986335008, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64190778 + ... + 64190785.
Almost surely, 2513526252 is an apocalyptic number.
It is an amenable number.
513526252 is a deficient number, since it is larger than the sum of its proper divisors (385144696).
513526252 is a wasteful number, since it uses less digits than its factorization.
513526252 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 128381567 (or 128381565 counting only the distinct ones).
The product of its digits is 18000, while the sum is 31.
The square root of 513526252 is about 22661.1176246892.
The cubic root of 513526252 is about 800.7941343441.
The spelling of 513526252 in words is "five hundred thirteen million, five hundred twenty-six thousand, two hundred fifty-two".