102500393 has 2 divisors, whose sum is σ = 102500394. Its totient is φ = 102500392.

The previous prime is 102500381. The next prime is 102500401. The reversal of 102500393 is 393005201.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71453209 + 31047184 = 8453^2 + 5572^2 .

It is a cyclic number.

It is not a de Polignac number, because 102500393 - 2⁸ = 102500137 is a prime.

It is not a weakly prime, because it can be changed into another prime (102100393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51250196 + 51250197.

It is an arithmetic number, because the mean of its divisors is an integer number (51250197).

Almost surely, 2^102500393 is an apocalyptic number.

It is an amenable number.

102500393 is a deficient number, since it is larger than the sum of its proper divisors (1).

102500393 is an equidigital number, since it uses as much as digits as its factorization.

102500393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 810, while the sum is 23.

The square root of 102500393 is about 10124.2477745263. The cubic root of 102500393 is about 467.9956792768.

Adding to 102500393 its reverse (393005201), we get a palindrome (495505594).

The spelling of 102500393 in words is "one hundred two million, five hundred thousand, three hundred ninety-three".