102026513 has 2 divisors, whose sum is σ = 102026514. Its totient is φ = 102026512.

The previous prime is 102026473. The next prime is 102026563. The reversal of 102026513 is 315620201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84953089 + 17073424 = 9217^2 + 4132^2 .

It is a cyclic number.

It is not a de Polignac number, because 102026513 - 2¹⁶ = 101960977 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (102026563) 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 as a sum of consecutive naturals, namely, 51013256 + 51013257.

It is an arithmetic number, because the mean of its divisors is an integer number (51013257).

Almost surely, 2^102026513 is an apocalyptic number.

It is an amenable number.

102026513 is a deficient number, since it is larger than the sum of its proper divisors (1).

102026513 is an equidigital number, since it uses as much as digits as its factorization.

102026513 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 20.

The square root of 102026513 is about 10100.8174421677. The cubic root of 102026513 is about 467.2733521558.

Adding to 102026513 its reverse (315620201), we get a palindrome (417646714).

The spelling of 102026513 in words is "one hundred two million, twenty-six thousand, five hundred thirteen".