102500052 has 48 divisors (see below), whose sum is σ = 252104832. Its totient is φ = 32348800.

The previous prime is 102500023. The next prime is 102500077. The reversal of 102500052 is 250005201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26038 + ... + 29714.

It is an arithmetic number, because the mean of its divisors is an integer number (5252184).

Almost surely, 2^102500052 is an apocalyptic number.

102500052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102500052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126052416).

102500052 is an abundant number, since it is smaller than the sum of its proper divisors (149604780).

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

102500052 is a wasteful number, since it uses less digits than its factorization.

102500052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3808 (or 3806 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 15.

The square root of 102500052 is about 10124.2309337549. The cubic root of 102500052 is about 467.9951602977.

Adding to 102500052 its reverse (250005201), we get a palindrome (352505253).

The spelling of 102500052 in words is "one hundred two million, five hundred thousand, fifty-two".