102853509 has 24 divisors (see below), whose sum is σ = 153024480. Its totient is φ = 61390560.

The previous prime is 102853507. The next prime is 102853523. The reversal of 102853509 is 905358201.

It is not a de Polignac number, because 102853509 - 2¹ = 102853507 is a prime.

It is a super-2 number, since 2×102853509² = 21157688627226162, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a self number, because there is not a number n which added to its sum of digits gives 102853509.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102853507) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22207 + ... + 26435.

It is an arithmetic number, because the mean of its divisors is an integer number (6376020).

Almost surely, 2^102853509 is an apocalyptic number.

It is an amenable number.

102853509 is a deficient number, since it is larger than the sum of its proper divisors (50170971).

102853509 is a wasteful number, since it uses less digits than its factorization.

102853509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4321 (or 4310 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 33.

The square root of 102853509 is about 10141.6719035867. The cubic root of 102853509 is about 468.5324816208.

The spelling of 102853509 in words is "one hundred two million, eight hundred fifty-three thousand, five hundred nine".