102655393 has 4 divisors (see below), whose sum is σ = 102734080. Its totient is φ = 102576708.

The previous prime is 102655363. The next prime is 102655403. The reversal of 102655393 is 393556201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 102655393 - 2¹⁷ = 102524321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102655303) 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 3 ways as a sum of consecutive naturals, for example, 37353 + ... + 40006.

It is an arithmetic number, because the mean of its divisors is an integer number (25683520).

Almost surely, 2^102655393 is an apocalyptic number.

It is an amenable number.

102655393 is a deficient number, since it is larger than the sum of its proper divisors (78687).

102655393 is an equidigital number, since it uses as much as digits as its factorization.

102655393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78686.

The product of its (nonzero) digits is 24300, while the sum is 34.

The square root of 102655393 is about 10131.8997725007. The cubic root of 102655393 is about 468.2314598251.

The spelling of 102655393 in words is "one hundred two million, six hundred fifty-five thousand, three hundred ninety-three".