102500552 has 72 divisors (see below), whose sum is σ = 245851830. Its totient is φ = 39916800.

The previous prime is 102500551. The next prime is 102500617. The reversal of 102500552 is 255005201.

It can be written as a sum of positive squares in only one way, i.e., 82555396 + 19945156 = 9086^2 + 4466^2 .

It is not an unprimeable number, because it can be changed into a prime (102500551) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 46352 + ... + 48512.

Almost surely, 2^102500552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102500552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122925915).

102500552 is an abundant number, since it is smaller than the sum of its proper divisors (143351278).

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

102500552 is a wasteful number, since it uses less digits than its factorization.

102500552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2203 (or 2181 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 20.

The square root of 102500552 is about 10124.2556269585. The cubic root of 102500552 is about 467.9959212638.

Adding to 102500552 its reverse (255005201), we get a palindrome (357505753).

The spelling of 102500552 in words is "one hundred two million, five hundred thousand, five hundred fifty-two".