525148785 has 128 divisors (see below), whose sum is σ = 1144765440. Its totient is φ = 222953472.

The previous prime is 525148777. The next prime is 525148801. The reversal of 525148785 is 587841525.

525148785 is a `hidden beast` number, since 52 + 514 + 8 + 7 + 85 = 666.

It is not a de Polignac number, because 525148785 - 2³ = 525148777 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 525148785.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1558137 + ... + 1558473.

It is an arithmetic number, because the mean of its divisors is an integer number (8943480).

Almost surely, 2^525148785 is an apocalyptic number.

It is an amenable number.

525148785 is an abundant number, since it is smaller than the sum of its proper divisors (619616655).

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

525148785 is a wasteful number, since it uses less digits than its factorization.

525148785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472 (or 466 counting only the distinct ones).

The product of its digits is 448000, while the sum is 45.

The square root of 525148785 is about 22916.1249996591. The cubic root of 525148785 is about 806.7905234274.

The spelling of 525148785 in words is "five hundred twenty-five million, one hundred forty-eight thousand, seven hundred eighty-five".