102558641 has 2 divisors, whose sum is σ = 102558642. Its totient is φ = 102558640.

The previous prime is 102558623. The next prime is 102558647. The reversal of 102558641 is 146855201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53348416 + 49210225 = 7304^2 + 7015^2 .

It is a cyclic number.

It is not a de Polignac number, because 102558641 - 2²² = 98364337 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 102558598 and 102558607.

It is not a weakly prime, because it can be changed into another prime (102558647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51279320 + 51279321.

It is an arithmetic number, because the mean of its divisors is an integer number (51279321).

Almost surely, 2^102558641 is an apocalyptic number.

It is an amenable number.

102558641 is a deficient number, since it is larger than the sum of its proper divisors (1).

102558641 is an equidigital number, since it uses as much as digits as its factorization.

102558641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9600, while the sum is 32.

The square root of 102558641 is about 10127.1240241245. The cubic root of 102558641 is about 468.0843119461.

The spelling of 102558641 in words is "one hundred two million, five hundred fifty-eight thousand, six hundred forty-one".