525243100 has 36 divisors (see below), whose sum is σ = 1141878304. Its totient is φ = 209710080.

The previous prime is 525243077. The next prime is 525243107. The reversal of 525243100 is 1342525.

It is a super-2 number, since 2×525243100² = 551760628195220000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525243107) 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 11 ways as a sum of consecutive naturals, for example, 53149 + ... + 62251.

Almost surely, 2^525243100 is an apocalyptic number.

525243100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

525243100 is an abundant number, since it is smaller than the sum of its proper divisors (616635204).

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

525243100 is a wasteful number, since it uses less digits than its factorization.

525243100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9694 (or 9687 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 525243100 is about 22918.1827377303. The cubic root of 525243100 is about 806.8388195138.

Adding to 525243100 its reverse (1342525), we get a palindrome (526585625).

The spelling of 525243100 in words is "five hundred twenty-five million, two hundred forty-three thousand, one hundred".