65450677 has 2 divisors, whose sum is σ = 65450678. Its totient is φ = 65450676.

The previous prime is 65450657. The next prime is 65450699. The reversal of 65450677 is 77605456.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34880836 + 30569841 = 5906^2 + 5529^2 .

It is a cyclic number.

It is not a de Polignac number, because 65450677 - 2⁷ = 65450549 is a prime.

It is a super-2 number, since 2×65450677² = 8567582239516658, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65450657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32725338 + 32725339.

It is an arithmetic number, because the mean of its divisors is an integer number (32725339).

Almost surely, 2^65450677 is an apocalyptic number.

It is an amenable number.

65450677 is a deficient number, since it is larger than the sum of its proper divisors (1).

65450677 is an equidigital number, since it uses as much as digits as its factorization.

65450677 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 176400, while the sum is 40.

The square root of 65450677 is about 8090.1592691368. The cubic root of 65450677 is about 402.9996921351. Note that the first 3 decimals are identical.

The spelling of 65450677 in words is "sixty-five million, four hundred fifty thousand, six hundred seventy-seven".