102825500 has 24 divisors (see below), whose sum is σ = 224571984. Its totient is φ = 41130000.

The previous prime is 102825497. The next prime is 102825509. The reversal of 102825500 is 5528201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102825509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102326 + ... + 103325.

It is an arithmetic number, because the mean of its divisors is an integer number (9357166).

Almost surely, 2^102825500 is an apocalyptic number.

102825500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102825500 is an abundant number, since it is smaller than the sum of its proper divisors (121746484).

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

102825500 is a wasteful number, since it uses less digits than its factorization.

102825500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205670 (or 205658 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 102825500 is about 10140.2909228483. The cubic root of 102825500 is about 468.4899476071.

The spelling of 102825500 in words is "one hundred two million, eight hundred twenty-five thousand, five hundred".