525215152 has 40 divisors (see below), whose sum is σ = 1268704512. Its totient is φ = 204628800.

The previous prime is 525215059. The next prime is 525215161. The reversal of 525215152 is 251512525.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 525215152.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211924 + ... + 214387.

Almost surely, 2^525215152 is an apocalyptic number.

It is an amenable number.

525215152 is an abundant number, since it is smaller than the sum of its proper divisors (743489360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

525215152 is a wasteful number, since it uses less digits than its factorization.

525215152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426337 (or 426331 counting only the distinct ones).

The product of its digits is 5000, while the sum is 28.

The square root of 525215152 is about 22917.5729954112. The cubic root of 525215152 is about 806.8245087237.

Adding to 525215152 its reverse (251512525), we get a palindrome (776727677).

The spelling of 525215152 in words is "five hundred twenty-five million, two hundred fifteen thousand, one hundred fifty-two".