525727525 has 6 divisors (see below), whose sum is σ = 651902162. Its totient is φ = 420582000.

The previous prime is 525727471. The next prime is 525727529.

525727525 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 3 ways, for example, as 813604 + 524913921 = 902^2 + 22911^2 .

It is not a de Polignac number, because 525727525 - 2¹⁷ = 525596453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525727529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10514526 + ... + 10514575.

Almost surely, 2^525727525 is an apocalyptic number.

It is an amenable number.

525727525 is a deficient number, since it is larger than the sum of its proper divisors (126174637).

525727525 is a wasteful number, since it uses less digits than its factorization.

525727525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21029111 (or 21029106 counting only the distinct ones).

The product of its digits is 245000, while the sum is 40.

The square root of 525727525 is about 22928.7488755928. The cubic root of 525727525 is about 807.0867890078.

The spelling of 525727525 in words is "five hundred twenty-five million, seven hundred twenty-seven thousand, five hundred twenty-five".