65190049 has 2 divisors, whose sum is σ = 65190050. Its totient is φ = 65190048.

The previous prime is 65190031. The next prime is 65190061. The reversal of 65190049 is 94009156.

65190049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53582400 + 11607649 = 7320^2 + 3407^2 .

It is a cyclic number.

It is not a de Polignac number, because 65190049 - 2⁵ = 65190017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 65189996 and 65190023.

It is not a weakly prime, because it can be changed into another prime (65190079) 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, 32595024 + 32595025.

It is an arithmetic number, because the mean of its divisors is an integer number (32595025).

Almost surely, 2^65190049 is an apocalyptic number.

It is an amenable number.

65190049 is a deficient number, since it is larger than the sum of its proper divisors (1).

65190049 is an equidigital number, since it uses as much as digits as its factorization.

65190049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 65190049 is about 8074.0354841925. The cubic root of 65190049 is about 402.4640586196.

The spelling of 65190049 in words is "sixty-five million, one hundred ninety thousand, forty-nine".