65757427 has 2 divisors, whose sum is σ = 65757428. Its totient is φ = 65757426.

The previous prime is 65757421. The next prime is 65757457. The reversal of 65757427 is 72475756.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65757427 is a prime.

It is equal to p_3882598 and since 65757427 and 3882598 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (65757421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32878713 + 32878714.

It is an arithmetic number, because the mean of its divisors is an integer number (32878714).

Almost surely, 2^65757427 is an apocalyptic number.

65757427 is a deficient number, since it is larger than the sum of its proper divisors (1).

65757427 is an equidigital number, since it uses as much as digits as its factorization.

65757427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 411600, while the sum is 43.

The square root of 65757427 is about 8109.0953256205. The cubic root of 65757427 is about 403.6282954209.

The spelling of 65757427 in words is "sixty-five million, seven hundred fifty-seven thousand, four hundred twenty-seven".