102252525 has 12 divisors (see below), whose sum is σ = 169057632. Its totient is φ = 54534640.

The previous prime is 102252523. The next prime is 102252533. The reversal of 102252525 is 525252201.

It is not a de Polignac number, because 102252525 - 2¹ = 102252523 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 102252495 and 102252504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102252523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 681609 + ... + 681758.

It is an arithmetic number, because the mean of its divisors is an integer number (14088136).

Almost surely, 2^102252525 is an apocalyptic number.

102252525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

102252525 is a deficient number, since it is larger than the sum of its proper divisors (66805107).

102252525 is a wasteful number, since it uses less digits than its factorization.

102252525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1363380 (or 1363375 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 102252525 is about 10111.9990605221. Note that the first 3 decimals coincide. The cubic root of 102252525 is about 467.6181367111.

The spelling of 102252525 in words is "one hundred two million, two hundred fifty-two thousand, five hundred twenty-five".