65142941 has 4 divisors (see below), whose sum is σ = 65248800. Its totient is φ = 65037084.

The previous prime is 65142901. The next prime is 65142947. The reversal of 65142941 is 14924156.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 65142941 - 2¹⁴ = 65126557 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65142898 and 65142907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65142947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52001 + ... + 53238.

It is an arithmetic number, because the mean of its divisors is an integer number (16312200).

Almost surely, 2^65142941 is an apocalyptic number.

It is an amenable number.

65142941 is a deficient number, since it is larger than the sum of its proper divisors (105859).

65142941 is a wasteful number, since it uses less digits than its factorization.

65142941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105858.

The product of its digits is 8640, while the sum is 32.

The square root of 65142941 is about 8071.1177045066. The cubic root of 65142941 is about 402.3670916447.

The spelling of 65142941 in words is "sixty-five million, one hundred forty-two thousand, nine hundred forty-one".