102530536 has 32 divisors (see below), whose sum is σ = 214272000. Its totient is φ = 45709056.

The previous prime is 102530531. The next prime is 102530537. The reversal of 102530536 is 635035201.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 102530536.

It is not an unprimeable number, because it can be changed into a prime (102530531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17256 + ... + 22423.

It is an arithmetic number, because the mean of its divisors is an integer number (6696000).

Almost surely, 2^102530536 is an apocalyptic number.

It is an amenable number.

102530536 is an abundant number, since it is smaller than the sum of its proper divisors (111741464).

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

102530536 is a wasteful number, since it uses less digits than its factorization.

102530536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39721 (or 39717 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 102530536 is about 10125.7363189054. The cubic root of 102530536 is about 468.0415503568.

Adding to 102530536 its reverse (635035201), we get a palindrome (737565737).

The spelling of 102530536 in words is "one hundred two million, five hundred thirty thousand, five hundred thirty-six".