195102007 has 2 divisors, whose sum is σ = 195102008. Its totient is φ = 195102006.

The previous prime is 195102001. The next prime is 195102097. The reversal of 195102007 is 700201591.

It is a weak prime.

It is an emirp because it is prime and its reverse (700201591) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-195102007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (195102001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97551003 + 97551004.

It is an arithmetic number, because the mean of its divisors is an integer number (97551004).

Almost surely, 2^195102007 is an apocalyptic number.

195102007 is a deficient number, since it is larger than the sum of its proper divisors (1).

195102007 is an equidigital number, since it uses as much as digits as its factorization.

195102007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 630, while the sum is 25.

The square root of 195102007 is about 13967.8920027326. The cubic root of 195102007 is about 579.9900979285.

Adding to 195102007 its reverse (700201591), we get a palindrome (895303598).

The spelling of 195102007 in words is "one hundred ninety-five million, one hundred two thousand, seven".