525458828 has 12 divisors (see below), whose sum is σ = 959533680. Its totient is φ = 251306352.

The previous prime is 525458821. The next prime is 525458837. The reversal of 525458828 is 828854525.

It is a happy number.

It is a super-2 number, since 2×525458828² = 552213959846267168, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (525458821) 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 3 ways as a sum of consecutive naturals, for example, 2855663 + ... + 2855846.

It is an arithmetic number, because the mean of its divisors is an integer number (79961140).

Almost surely, 2^525458828 is an apocalyptic number.

It is an amenable number.

525458828 is a deficient number, since it is larger than the sum of its proper divisors (434074852).

525458828 is a wasteful number, since it uses less digits than its factorization.

525458828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5711536 (or 5711534 counting only the distinct ones).

The product of its digits is 1024000, while the sum is 47.

The square root of 525458828 is about 22922.8887359338. Note that the first 3 decimals coincide. The cubic root of 525458828 is about 806.9492660865.

The spelling of 525458828 in words is "five hundred twenty-five million, four hundred fifty-eight thousand, eight hundred twenty-eight".