65250169 has 2 divisors, whose sum is σ = 65250170. Its totient is φ = 65250168.

The previous prime is 65250139. The next prime is 65250181. The reversal of 65250169 is 96105256.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36144144 + 29106025 = 6012^2 + 5395^2 .

It is a cyclic number.

It is not a de Polignac number, because 65250169 - 2⁵ = 65250137 is a prime.

It is a super-2 number, since 2×65250169² = 8515169109057122, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (65250109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32625084 + 32625085.

It is an arithmetic number, because the mean of its divisors is an integer number (32625085).

Almost surely, 2^65250169 is an apocalyptic number.

It is an amenable number.

65250169 is a deficient number, since it is larger than the sum of its proper divisors (1).

65250169 is an equidigital number, since it uses as much as digits as its factorization.

65250169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 65250169 is about 8077.7576715324. The cubic root of 65250169 is about 402.5877416319.

The spelling of 65250169 in words is "sixty-five million, two hundred fifty thousand, one hundred sixty-nine".