65263412 has 24 divisors (see below), whose sum is σ = 119237160. Its totient is φ = 31224960.

The previous prime is 65263411. The next prime is 65263417. The reversal of 65263412 is 21436256.

It can be written as a sum of positive squares in 4 ways, for example, as 26275876 + 38987536 = 5126^2 + 6244^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65263411) 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, 5414 + ... + 12642.

It is an arithmetic number, because the mean of its divisors is an integer number (4968215).

Almost surely, 2^65263412 is an apocalyptic number.

It is an amenable number.

65263412 is a deficient number, since it is larger than the sum of its proper divisors (53973748).

65263412 is a wasteful number, since it uses less digits than its factorization.

65263412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7331 (or 7329 counting only the distinct ones).

The product of its digits is 8640, while the sum is 29.

The square root of 65263412 is about 8078.5773500041. The cubic root of 65263412 is about 402.6149758338.

Adding to 65263412 its reverse (21436256), we get a palindrome (86699668).

The spelling of 65263412 in words is "sixty-five million, two hundred sixty-three thousand, four hundred twelve".