525536385 has 96 divisors (see below), whose sum is σ = 993088512. Its totient is φ = 235269120.

The previous prime is 525536381. The next prime is 525536387. The reversal of 525536385 is 583635525.

It is not a de Polignac number, because 525536385 - 2² = 525536381 is a prime.

It is not an unprimeable number, because it can be changed into a prime (525536381) 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 95 ways as a sum of consecutive naturals, for example, 4911502 + ... + 4911608.

It is an arithmetic number, because the mean of its divisors is an integer number (10344672).

Almost surely, 2^525536385 is an apocalyptic number.

525536385 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

525536385 is a deficient number, since it is larger than the sum of its proper divisors (467552127).

525536385 is a wasteful number, since it uses less digits than its factorization.

525536385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263 (or 246 counting only the distinct ones).

The product of its digits is 540000, while the sum is 42.

The square root of 525536385 is about 22924.5803669337. The cubic root of 525536385 is about 806.9889656671.

The spelling of 525536385 in words is "five hundred twenty-five million, five hundred thirty-six thousand, three hundred eighty-five".