525512752 has 20 divisors (see below), whose sum is σ = 1023462520. Its totient is φ = 261393408.

The previous prime is 525512749. The next prime is 525512753. The reversal of 525512752 is 257215525.

It is a super-2 number, since 2×525512752² = 552327305029227008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (525512753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82002 + ... + 88177.

It is an arithmetic number, because the mean of its divisors is an integer number (51173126).

Almost surely, 2^525512752 is an apocalyptic number.

It is an amenable number.

525512752 is a deficient number, since it is larger than the sum of its proper divisors (497949768).

525512752 is a wasteful number, since it uses less digits than its factorization.

525512752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170380 (or 170374 counting only the distinct ones).

The product of its digits is 35000, while the sum is 34.

The square root of 525512752 is about 22924.0649100459. The cubic root of 525512752 is about 806.9768689112.

The spelling of 525512752 in words is "five hundred twenty-five million, five hundred twelve thousand, seven hundred fifty-two".