102342577 has 2 divisors, whose sum is σ = 102342578. Its totient is φ = 102342576.

The previous prime is 102342557. The next prime is 102342589. The reversal of 102342577 is 775243201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100020001 + 2322576 = 10001^2 + 1524^2 .

It is a cyclic number.

It is not a de Polignac number, because 102342577 - 2¹⁹ = 101818289 is a prime.

It is not a weakly prime, because it can be changed into another prime (102342557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51171288 + 51171289.

It is an arithmetic number, because the mean of its divisors is an integer number (51171289).

Almost surely, 2^102342577 is an apocalyptic number.

It is an amenable number.

102342577 is a deficient number, since it is larger than the sum of its proper divisors (1).

102342577 is an equidigital number, since it uses as much as digits as its factorization.

102342577 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 102342577 is about 10116.4508104374. The cubic root of 102342577 is about 467.7553707880.

Adding to 102342577 its reverse (775243201), we get a palindrome (877585778).

The spelling of 102342577 in words is "one hundred two million, three hundred forty-two thousand, five hundred seventy-seven".