42016265 has 12 divisors (see below), whose sum is σ = 53561676. Its totient is φ = 31634688.

The previous prime is 42016259. The next prime is 42016307. The reversal of 42016265 is 56261024.

It can be written as a sum of positive squares in 6 ways, for example, as 5968249 + 36048016 = 2443^2 + 6004^2 .

It is not a de Polignac number, because 42016265 - 2¹⁶ = 41950729 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13094 + ... + 15983.

It is an arithmetic number, because the mean of its divisors is an integer number (4463473).

Almost surely, 2^42016265 is an apocalyptic number.

It is an amenable number.

42016265 is a deficient number, since it is larger than the sum of its proper divisors (11545411).

42016265 is a wasteful number, since it uses less digits than its factorization.

42016265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29116 (or 29099 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 42016265 is about 6481.9954489339. The cubic root of 42016265 is about 347.6475297876.

Adding to 42016265 its reverse (56261024), we get a palindrome (98277289).

The spelling of 42016265 in words is "forty-two million, sixteen thousand, two hundred sixty-five".