76513289 has 2 divisors, whose sum is σ = 76513290. Its totient is φ = 76513288.

The previous prime is 76513273. The next prime is 76513357. The reversal of 76513289 is 98231567.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65885689 + 10627600 = 8117^2 + 3260^2 .

It is a cyclic number.

It is not a de Polignac number, because 76513289 - 2⁴ = 76513273 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (76513219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38256644 + 38256645.

It is an arithmetic number, because the mean of its divisors is an integer number (38256645).

Almost surely, 2^76513289 is an apocalyptic number.

It is an amenable number.

76513289 is a deficient number, since it is larger than the sum of its proper divisors (1).

76513289 is an equidigital number, since it uses as much as digits as its factorization.

76513289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 41.

The square root of 76513289 is about 8747.1874908453. The cubic root of 76513289 is about 424.5338168577.

The spelling of 76513289 in words is "seventy-six million, five hundred thirteen thousand, two hundred eighty-nine".