65239042 has 8 divisors (see below), whose sum is σ = 106754832. Its totient is φ = 29654100.

The previous prime is 65239037. The next prime is 65239043. The reversal of 65239042 is 24093256.

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

It is a super-2 number, since 2×65239042² = 8512265202155528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 65238995 and 65239013.

It is not an unprimeable number, because it can be changed into a prime (65239043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1482684 + ... + 1482727.

It is an arithmetic number, because the mean of its divisors is an integer number (13344354).

Almost surely, 2^65239042 is an apocalyptic number.

65239042 is a deficient number, since it is larger than the sum of its proper divisors (41515790).

65239042 is a wasteful number, since it uses less digits than its factorization.

65239042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2965424.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 65239042 is about 8077.0688990500. The cubic root of 65239042 is about 402.5648561308.

The spelling of 65239042 in words is "sixty-five million, two hundred thirty-nine thousand, forty-two".