525866145 has 32 divisors (see below), whose sum is σ = 964922112. Its totient is φ = 239561472.

The previous prime is 525866141. The next prime is 525866153. The reversal of 525866145 is 541668525.

525866145 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 525866145 - 2² = 525866141 is a prime.

It is a super-2 number, since 2×525866145² = 553070404914322050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 525866097 and 525866106.

It is not an unprimeable number, because it can be changed into a prime (525866141) 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 31 ways as a sum of consecutive naturals, for example, 22219 + ... + 39311.

It is an arithmetic number, because the mean of its divisors is an integer number (30153816).

Almost surely, 2^525866145 is an apocalyptic number.

It is an amenable number.

525866145 is a deficient number, since it is larger than the sum of its proper divisors (439055967).

525866145 is a wasteful number, since it uses less digits than its factorization.

525866145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17401.

The product of its digits is 288000, while the sum is 42.

The square root of 525866145 is about 22931.7715190083. The cubic root of 525866145 is about 807.1577183604.

The spelling of 525866145 in words is "five hundred twenty-five million, eight hundred sixty-six thousand, one hundred forty-five".