65263632 has 80 divisors (see below), whose sum is σ = 202844160. Its totient is φ = 17663616.

The previous prime is 65263631. The next prime is 65263633. The reversal of 65263632 is 23636256.

It is an interprime number because it is at equal distance from previous prime (65263631) and next prime (65263633).

It is a junction number, because it is equal to n+sod(n) for n = 65263593 and 65263602.

It is not an unprimeable number, because it can be changed into a prime (65263631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1273 + ... + 11495.

It is an arithmetic number, because the mean of its divisors is an integer number (2535552).

Almost surely, 2^65263632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65263632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101422080).

65263632 is an abundant number, since it is smaller than the sum of its proper divisors (137580528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65263632 is a wasteful number, since it uses less digits than its factorization.

65263632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10260 (or 10254 counting only the distinct ones).

The product of its digits is 38880, while the sum is 33.

The square root of 65263632 is about 8078.5909662515. The cubic root of 65263632 is about 402.6154282322.

Adding to 65263632 its reverse (23636256), we get a palindrome (88899888).

The spelling of 65263632 in words is "sixty-five million, two hundred sixty-three thousand, six hundred thirty-two".