102345013 has 2 divisors, whose sum is σ = 102345014. Its totient is φ = 102345012.

The previous prime is 102345011. The next prime is 102345073. The reversal of 102345013 is 310543201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91068849 + 11276164 = 9543^2 + 3358^2 .

It is a cyclic number.

It is not a de Polignac number, because 102345013 - 2¹ = 102345011 is a prime.

Together with 102345011, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102345011) 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 as a sum of consecutive naturals, namely, 51172506 + 51172507.

It is an arithmetic number, because the mean of its divisors is an integer number (51172507).

Almost surely, 2^102345013 is an apocalyptic number.

It is an amenable number.

102345013 is a deficient number, since it is larger than the sum of its proper divisors (1).

102345013 is an equidigital number, since it uses as much as digits as its factorization.

102345013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 102345013 is about 10116.5712076770. The cubic root of 102345013 is about 467.7590819937.

Adding to 102345013 its reverse (310543201), we get a palindrome (412888214).

The spelling of 102345013 in words is "one hundred two million, three hundred forty-five thousand, thirteen".