525552305 has 8 divisors (see below), whose sum is σ = 637165032. Its totient is φ = 416107008.

The previous prime is 525552301. The next prime is 525552311. The reversal of 525552305 is 503255525.

It can be written as a sum of positive squares in 4 ways, for example, as 32001649 + 493550656 = 5657^2 + 22216^2 .

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 525552305 - 2² = 525552301 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (525552301) 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, 541322 + ... + 542291.

It is an arithmetic number, because the mean of its divisors is an integer number (79645629).

Almost surely, 2^525552305 is an apocalyptic number.

It is an amenable number.

525552305 is a deficient number, since it is larger than the sum of its proper divisors (111612727).

525552305 is a wasteful number, since it uses less digits than its factorization.

525552305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1083715.

The product of its (nonzero) digits is 37500, while the sum is 32.

The square root of 525552305 is about 22924.9275898529. The cubic root of 525552305 is about 806.9971142527.

The spelling of 525552305 in words is "five hundred twenty-five million, five hundred fifty-two thousand, three hundred five".