102555013 has 4 divisors (see below), whose sum is σ = 111878208. Its totient is φ = 93231820.

The previous prime is 102555001. The next prime is 102555017. The reversal of 102555013 is 310555201.

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 de Polignac number, because none of the positive numbers 2^k-102555013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102555017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4661581 + ... + 4661602.

It is an arithmetic number, because the mean of its divisors is an integer number (27969552).

Almost surely, 2^102555013 is an apocalyptic number.

It is an amenable number.

102555013 is a deficient number, since it is larger than the sum of its proper divisors (9323195).

102555013 is an equidigital number, since it uses as much as digits as its factorization.

102555013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9323194.

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 102555013 is about 10126.9448996230. The cubic root of 102555013 is about 468.0787924050.

The spelling of 102555013 in words is "one hundred two million, five hundred fifty-five thousand, thirteen".