102424393 has 2 divisors, whose sum is σ = 102424394. Its totient is φ = 102424392.

The previous prime is 102424373. The next prime is 102424447. The reversal of 102424393 is 393424201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95199049 + 7225344 = 9757^2 + 2688^2 .

It is a cyclic number.

It is not a de Polignac number, because 102424393 - 2¹³ = 102416201 is a prime.

It is not a weakly prime, because it can be changed into another prime (102424363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51212196 + 51212197.

It is an arithmetic number, because the mean of its divisors is an integer number (51212197).

Almost surely, 2^102424393 is an apocalyptic number.

It is an amenable number.

102424393 is a deficient number, since it is larger than the sum of its proper divisors (1).

102424393 is an equidigital number, since it uses as much as digits as its factorization.

102424393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 102424393 is about 10120.4937132533. The cubic root of 102424393 is about 467.8799838963.

Adding to 102424393 its reverse (393424201), we get a palindrome (495848594).

The spelling of 102424393 in words is "one hundred two million, four hundred twenty-four thousand, three hundred ninety-three".