65247629 has 2 divisors, whose sum is σ = 65247630. Its totient is φ = 65247628.

The previous prime is 65247607. The next prime is 65247643. The reversal of 65247629 is 92674256.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63282025 + 1965604 = 7955^2 + 1402^2 .

It is a cyclic number.

It is not a de Polignac number, because 65247629 - 2⁸ = 65247373 is a prime.

It is a super-3 number, since 3×65247629³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65247029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32623814 + 32623815.

It is an arithmetic number, because the mean of its divisors is an integer number (32623815).

Almost surely, 2^65247629 is an apocalyptic number.

It is an amenable number.

65247629 is a deficient number, since it is larger than the sum of its proper divisors (1).

65247629 is an equidigital number, since it uses as much as digits as its factorization.

65247629 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 41.

The square root of 65247629 is about 8077.6004481529. The cubic root of 65247629 is about 402.5825177061.

The spelling of 65247629 in words is "sixty-five million, two hundred forty-seven thousand, six hundred twenty-nine".