655525315 has 4 divisors (see below), whose sum is σ = 786630384. Its totient is φ = 524420248.

The previous prime is 655525313. The next prime is 655525319. The reversal of 655525315 is 513525556.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 655525315 - 2¹ = 655525313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (655525313) 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 3 ways as a sum of consecutive naturals, for example, 65552527 + ... + 65552536.

It is an arithmetic number, because the mean of its divisors is an integer number (196657596).

Almost surely, 2^655525315 is an apocalyptic number.

655525315 is a deficient number, since it is larger than the sum of its proper divisors (131105069).

655525315 is a wasteful number, since it uses less digits than its factorization.

655525315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131105068.

The product of its digits is 112500, while the sum is 37.

The square root of 655525315 is about 25603.2286050021. The cubic root of 655525315 is about 868.6866672945.

The spelling of 655525315 in words is "six hundred fifty-five million, five hundred twenty-five thousand, three hundred fifteen".