65442427 has 2 divisors, whose sum is σ = 65442428. Its totient is φ = 65442426.

The previous prime is 65442413. The next prime is 65442463. The reversal of 65442427 is 72424456.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65442427 is a prime.

It is a super-2 number, since 2×65442427² = 8565422503300658, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 65442392 and 65442401.

It is not a weakly prime, because it can be changed into another prime (65442497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32721213 + 32721214.

It is an arithmetic number, because the mean of its divisors is an integer number (32721214).

Almost surely, 2^65442427 is an apocalyptic number.

65442427 is a deficient number, since it is larger than the sum of its proper divisors (1).

65442427 is an equidigital number, since it uses as much as digits as its factorization.

65442427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 53760, while the sum is 34.

The square root of 65442427 is about 8089.6493743549. The cubic root of 65442427 is about 402.9827588385.

The spelling of 65442427 in words is "sixty-five million, four hundred forty-two thousand, four hundred twenty-seven".