65142427 has 8 divisors (see below), whose sum is σ = 74532096. Its totient is φ = 55773672.

The previous prime is 65142421. The next prime is 65142503. The reversal of 65142427 is 72424156.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 65142427 - 2⁷ = 65142299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65142421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2148 + ... + 11614.

It is an arithmetic number, because the mean of its divisors is an integer number (9316512).

Almost surely, 2^65142427 is an apocalyptic number.

65142427 is a deficient number, since it is larger than the sum of its proper divisors (9389669).

65142427 is an equidigital number, since it uses as much as digits as its factorization.

65142427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10457.

The product of its digits is 13440, while the sum is 31.

The square root of 65142427 is about 8071.0858625095. The cubic root of 65142427 is about 402.3660333708.

The spelling of 65142427 in words is "sixty-five million, one hundred forty-two thousand, four hundred twenty-seven".