525355505 has 8 divisors (see below), whose sum is σ = 667510632. Its totient is φ = 395561728.

The previous prime is 525355499. The next prime is 525355507. The reversal of 525355505 is 505553525.

It can be written as a sum of positive squares in 4 ways, for example, as 77228944 + 448126561 = 8788^2 + 21169^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 525355505 - 2⁸ = 525355249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (525355507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3090242 + ... + 3090411.

It is an arithmetic number, because the mean of its divisors is an integer number (83438829).

Almost surely, 2^525355505 is an apocalyptic number.

It is an amenable number.

525355505 is a deficient number, since it is larger than the sum of its proper divisors (142155127).

525355505 is a wasteful number, since it uses less digits than its factorization.

525355505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6180675.

The product of its (nonzero) digits is 93750, while the sum is 35.

The square root of 525355505 is about 22920.6349170349. The cubic root of 525355505 is about 806.8963714351.

The spelling of 525355505 in words is "five hundred twenty-five million, three hundred fifty-five thousand, five hundred five".