102565413 has 16 divisors (see below), whose sum is σ = 152193600. Its totient is φ = 68266800.

The previous prime is 102565381. The next prime is 102565417. The reversal of 102565413 is 314565201.

102565413 is a `hidden beast` number, since 1 + 0 + 2 + 5 + 654 + 1 + 3 = 666.

It is not a de Polignac number, because 102565413 - 2⁵ = 102565381 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102565417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16218 + ... + 21636.

It is an arithmetic number, because the mean of its divisors is an integer number (9512100).

Almost surely, 2^102565413 is an apocalyptic number.

It is an amenable number.

102565413 is a deficient number, since it is larger than the sum of its proper divisors (49628187).

102565413 is an equidigital number, since it uses as much as digits as its factorization.

102565413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6129 (or 6123 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 102565413 is about 10127.4583682186. The cubic root of 102565413 is about 468.0946143356.

The spelling of 102565413 in words is "one hundred two million, five hundred sixty-five thousand, four hundred thirteen".