525450315 has 32 divisors (see below), whose sum is σ = 908389440. Its totient is φ = 257826816.

The previous prime is 525450313. The next prime is 525450319. The reversal of 525450315 is 513054525.

It is a happy number.

It is not a de Polignac number, because 525450315 - 2¹ = 525450313 is a prime.

It is a super-3 number, since 3×525450315³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (525450313) 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, 56731 + ... + 65339.

It is an arithmetic number, because the mean of its divisors is an integer number (28387170).

Almost surely, 2^525450315 is an apocalyptic number.

525450315 is a deficient number, since it is larger than the sum of its proper divisors (382939125).

525450315 is a wasteful number, since it uses less digits than its factorization.

525450315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8943.

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 525450315 is about 22922.7030474157. The cubic root of 525450315 is about 806.9449082467.

The spelling of 525450315 in words is "five hundred twenty-five million, four hundred fifty thousand, three hundred fifteen".