73203101 has 2 divisors, whose sum is σ = 73203102. Its totient is φ = 73203100.

The previous prime is 73203079. The next prime is 73203107. The reversal of 73203101 is 10130237.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51122500 + 22080601 = 7150^2 + 4699^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73203101 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 73203101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73203107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36601550 + 36601551.

It is an arithmetic number, because the mean of its divisors is an integer number (36601551).

Almost surely, 2^73203101 is an apocalyptic number.

It is an amenable number.

73203101 is a deficient number, since it is larger than the sum of its proper divisors (1).

73203101 is an equidigital number, since it uses as much as digits as its factorization.

73203101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 126, while the sum is 17.

The square root of 73203101 is about 8555.8810767799. The cubic root of 73203101 is about 418.3211534190.

Adding to 73203101 its reverse (10130237), we get a palindrome (83333338).

The spelling of 73203101 in words is "seventy-three million, two hundred three thousand, one hundred one".