102880513 has 2 divisors, whose sum is σ = 102880514. Its totient is φ = 102880512.

The previous prime is 102880507. The next prime is 102880523. The reversal of 102880513 is 315088201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102880449 + 64 = 10143^2 + 8^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102880513 is a prime.

It is not a weakly prime, because it can be changed into another prime (102880523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51440256 + 51440257.

It is an arithmetic number, because the mean of its divisors is an integer number (51440257).

Almost surely, 2^102880513 is an apocalyptic number.

It is an amenable number.

102880513 is a deficient number, since it is larger than the sum of its proper divisors (1).

102880513 is an equidigital number, since it uses as much as digits as its factorization.

102880513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 102880513 is about 10143.0031548847. The cubic root of 102880513 is about 468.5734821471.

The spelling of 102880513 in words is "one hundred two million, eight hundred eighty thousand, five hundred thirteen".