102505532 has 12 divisors (see below), whose sum is σ = 188826120. Its totient is φ = 48555216.

The previous prime is 102505531. The next prime is 102505537. The reversal of 102505532 is 235505201.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 102505498 and 102505507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102505531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 674303 + ... + 674454.

It is an arithmetic number, because the mean of its divisors is an integer number (15735510).

Almost surely, 2^102505532 is an apocalyptic number.

It is an amenable number.

102505532 is a deficient number, since it is larger than the sum of its proper divisors (86320588).

102505532 is a wasteful number, since it uses less digits than its factorization.

102505532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1348780 (or 1348778 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 102505532 is about 10124.5015679785. The cubic root of 102505532 is about 468.0035003513.

The spelling of 102505532 in words is "one hundred two million, five hundred five thousand, five hundred thirty-two".