102506253 has 8 divisors (see below), whose sum is σ = 137262528. Its totient is φ = 68043744.

The previous prime is 102506231. The next prime is 102506267. The reversal of 102506253 is 352605201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 102506253 - 2⁵ = 102506221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102506203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72625 + ... + 74022.

It is an arithmetic number, because the mean of its divisors is an integer number (17157816).

Almost surely, 2^102506253 is an apocalyptic number.

It is an amenable number.

102506253 is a deficient number, since it is larger than the sum of its proper divisors (34756275).

102506253 is a wasteful number, since it uses less digits than its factorization.

102506253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146883.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 102506253 is about 10124.5371746070. The cubic root of 102506253 is about 468.0045976245.

The spelling of 102506253 in words is "one hundred two million, five hundred six thousand, two hundred fifty-three".