65142347 has 2 divisors, whose sum is σ = 65142348. Its totient is φ = 65142346.

The previous prime is 65142331. The next prime is 65142379. The reversal of 65142347 is 74324156.

It is an a-pointer prime, because the next prime (65142379) can be obtained adding 65142347 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65142347 - 2⁴ = 65142331 is a prime.

It is not a weakly prime, because it can be changed into another prime (65142947) 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, 32571173 + 32571174.

It is an arithmetic number, because the mean of its divisors is an integer number (32571174).

Almost surely, 2^65142347 is an apocalyptic number.

65142347 is a deficient number, since it is larger than the sum of its proper divisors (1).

65142347 is an equidigital number, since it uses as much as digits as its factorization.

65142347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 32.

The square root of 65142347 is about 8071.0809065453. The cubic root of 65142347 is about 402.3658686584.

The spelling of 65142347 in words is "sixty-five million, one hundred forty-two thousand, three hundred forty-seven".