525148816 has 10 divisors (see below), whose sum is σ = 1017475862. Its totient is φ = 262574400.

The previous prime is 525148801. The next prime is 525148891. The reversal of 525148816 is 618841525.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 327465216 + 197683600 = 18096^2 + 14060^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 16410885 + ... + 16410916.

Almost surely, 2^525148816 is an apocalyptic number.

It is an amenable number.

525148816 is a deficient number, since it is larger than the sum of its proper divisors (492327046).

525148816 is a wasteful number, since it uses less digits than its factorization.

525148816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32821809 (or 32821803 counting only the distinct ones).

The product of its digits is 76800, while the sum is 40.

The square root of 525148816 is about 22916.1256760387. The cubic root of 525148816 is about 806.7905393026.

The spelling of 525148816 in words is "five hundred twenty-five million, one hundred forty-eight thousand, eight hundred sixteen".