65074489 has 2 divisors, whose sum is σ = 65074490. Its totient is φ = 65074488.

The previous prime is 65074441. The next prime is 65074501. The reversal of 65074489 is 98447056.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64963600 + 110889 = 8060^2 + 333^2 .

It is a cyclic number.

It is not a de Polignac number, because 65074489 - 2¹³ = 65066297 is a prime.

It is a super-2 number, since 2×65074489² = 8469378237222242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (65072489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32537244 + 32537245.

It is an arithmetic number, because the mean of its divisors is an integer number (32537245).

Almost surely, 2^65074489 is an apocalyptic number.

It is an amenable number.

65074489 is a deficient number, since it is larger than the sum of its proper divisors (1).

65074489 is an equidigital number, since it uses as much as digits as its factorization.

65074489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 65074489 is about 8066.8760372278. The cubic root of 65074489 is about 402.2261068878.

The spelling of 65074489 in words is "sixty-five million, seventy-four thousand, four hundred eighty-nine".