525353305 has 8 divisors (see below), whose sum is σ = 630561672. Its totient is φ = 420190848.

The previous prime is 525353303. The next prime is 525353321. The reversal of 525353305 is 503353525.

It can be written as a sum of positive squares in 4 ways, for example, as 10426441 + 514926864 = 3229^2 + 22692^2 .

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 525353305 - 2¹ = 525353303 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (525353303) 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 7 ways as a sum of consecutive naturals, for example, 23269 + ... + 39901.

It is an arithmetic number, because the mean of its divisors is an integer number (78820209).

Almost surely, 2^525353305 is an apocalyptic number.

It is an amenable number.

525353305 is a deficient number, since it is larger than the sum of its proper divisors (105208367).

525353305 is a wasteful number, since it uses less digits than its factorization.

525353305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22955.

The product of its (nonzero) digits is 33750, while the sum is 31.

The square root of 525353305 is about 22920.5869252949. The cubic root of 525353305 is about 806.8952451029.

The spelling of 525353305 in words is "five hundred twenty-five million, three hundred fifty-three thousand, three hundred five".