102573609 has 16 divisors (see below), whose sum is σ = 148929600. Its totient is φ = 62548416.

The previous prime is 102573607. The next prime is 102573617. The reversal of 102573609 is 906375201.

It is not a de Polignac number, because 102573609 - 2¹ = 102573607 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102573609.

It is not an unprimeable number, because it can be changed into a prime (102573607) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29374 + ... + 32679.

It is an arithmetic number, because the mean of its divisors is an integer number (9308100).

Almost surely, 2^102573609 is an apocalyptic number.

102573609 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

102573609 is a deficient number, since it is larger than the sum of its proper divisors (46355991).

102573609 is a wasteful number, since it uses less digits than its factorization.

102573609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62104.

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 102573609 is about 10127.8630026279. The cubic root of 102573609 is about 468.1070824804.

The spelling of 102573609 in words is "one hundred two million, five hundred seventy-three thousand, six hundred nine".