525434250 has 64 divisors (see below), whose sum is σ = 1430732160. Its totient is φ = 127376000.

The previous prime is 525434237. The next prime is 525434269. The reversal of 525434250 is 52434525.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

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, 23595 + ... + 40094.

It is an arithmetic number, because the mean of its divisors is an integer number (22355190).

Almost surely, 2^525434250 is an apocalyptic number.

525434250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

525434250 is an abundant number, since it is smaller than the sum of its proper divisors (905297910).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

525434250 is a wasteful number, since it uses less digits than its factorization.

525434250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63720 (or 63710 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 30.

The square root of 525434250 is about 22922.3526279481. The cubic root of 525434250 is about 806.9366843787.

Adding to 525434250 its reverse (52434525), we get a palindrome (577868775).

The spelling of 525434250 in words is "five hundred twenty-five million, four hundred thirty-four thousand, two hundred fifty".