525253155 has 32 divisors (see below), whose sum is σ = 961886208. Its totient is φ = 239760000.

The previous prime is 525253121. The next prime is 525253159. The reversal of 525253155 is 551352525.

It is not a de Polignac number, because 525253155 - 2⁸ = 525252899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (525253159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75525 + ... + 82185.

It is an arithmetic number, because the mean of its divisors is an integer number (30058944).

Almost surely, 2^525253155 is an apocalyptic number.

525253155 is a deficient number, since it is larger than the sum of its proper divisors (436633053).

525253155 is a wasteful number, since it uses less digits than its factorization.

525253155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7427.

The product of its digits is 37500, while the sum is 33.

The square root of 525253155 is about 22918.4021039862. The cubic root of 525253155 is about 806.8439680584.

The spelling of 525253155 in words is "five hundred twenty-five million, two hundred fifty-three thousand, one hundred fifty-five".