65097448 has 48 divisors (see below), whose sum is σ = 133901100. Its totient is φ = 29652480.

The previous prime is 65097443. The next prime is 65097449. The reversal of 65097448 is 84479056.

It can be written as a sum of positive squares in 6 ways, for example, as 2022084 + 63075364 = 1422^2 + 7942^2 .

It is a super-2 number, since 2×65097448² = 8475355472225408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (65097443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 120058 + ... + 120598.

Almost surely, 2^65097448 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 65097448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66950550).

65097448 is an abundant number, since it is smaller than the sum of its proper divisors (68803652).

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

65097448 is a wasteful number, since it uses less digits than its factorization.

65097448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662 (or 645 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 65097448 is about 8068.2989533110. The cubic root of 65097448 is about 402.2734046001.

The spelling of 65097448 in words is "sixty-five million, ninety-seven thousand, four hundred forty-eight".