102530225 has 48 divisors (see below), whose sum is σ = 152668800. Its totient is φ = 66823680.

The previous prime is 102530201. The next prime is 102530243. The reversal of 102530225 is 522035201.

It is not a de Polignac number, because 102530225 - 2⁸ = 102529969 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102530197 and 102530206.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 451562 + ... + 451788.

It is an arithmetic number, because the mean of its divisors is an integer number (3180600).

Almost surely, 2^102530225 is an apocalyptic number.

It is an amenable number.

102530225 is a deficient number, since it is larger than the sum of its proper divisors (50138575).

102530225 is a wasteful number, since it uses less digits than its factorization.

102530225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362 (or 357 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 102530225 is about 10125.7209619859. The cubic root of 102530225 is about 468.0410771284.

Adding to 102530225 its reverse (522035201), we get a palindrome (624565426).

The spelling of 102530225 in words is "one hundred two million, five hundred thirty thousand, two hundred twenty-five".