525230915 has 16 divisors (see below), whose sum is σ = 688422240. Its totient is φ = 381515520.

The previous prime is 525230911. The next prime is 525230971. The reversal of 525230915 is 519032525.

It is not a de Polignac number, because 525230915 - 2² = 525230911 is a prime.

It is not an unprimeable number, because it can be changed into a prime (525230911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42791 + ... + 53679.

It is an arithmetic number, because the mean of its divisors is an integer number (43026390).

Almost surely, 2^525230915 is an apocalyptic number.

525230915 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

525230915 is a deficient number, since it is larger than the sum of its proper divisors (163191325).

525230915 is a wasteful number, since it uses less digits than its factorization.

525230915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11782.

The product of its (nonzero) digits is 13500, while the sum is 32.

The square root of 525230915 is about 22917.9168992297. The cubic root of 525230915 is about 806.8325802397.

The spelling of 525230915 in words is "five hundred twenty-five million, two hundred thirty thousand, nine hundred fifteen".