65490127 has 2 divisors, whose sum is σ = 65490128. Its totient is φ = 65490126.

The previous prime is 65490109. The next prime is 65490157. The reversal of 65490127 is 72109456.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65490127 - 2⁷ = 65489999 is a prime.

It is a super-2 number, since 2×65490127² = 8577913468952258, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 65490092 and 65490101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65490157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32745063 + 32745064.

It is an arithmetic number, because the mean of its divisors is an integer number (32745064).

Almost surely, 2^65490127 is an apocalyptic number.

65490127 is a deficient number, since it is larger than the sum of its proper divisors (1).

65490127 is an equidigital number, since it uses as much as digits as its factorization.

65490127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 65490127 is about 8092.5970491555. The cubic root of 65490127 is about 403.0806444157.

The spelling of 65490127 in words is "sixty-five million, four hundred ninety thousand, one hundred twenty-seven".