65608452 has 108 divisors (see below), whose sum is σ = 207832716. Its totient is φ = 17297280.

The previous prime is 65608451. The next prime is 65608453. The reversal of 65608452 is 25480656.

65608452 is a `hidden beast` number, since 6 + 5 + 608 + 45 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (65608451) and next prime (65608453).

It can be written as a sum of positive squares in 2 ways, for example, as 22127616 + 43480836 = 4704^2 + 6594^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (65608451) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 21502 + ... + 24362.

It is an arithmetic number, because the mean of its divisors is an integer number (1924377).

Almost surely, 2^65608452 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 65608452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103916358).

65608452 is an abundant number, since it is smaller than the sum of its proper divisors (142224264).

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

65608452 is a wasteful number, since it uses less digits than its factorization.

65608452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2898 (or 2886 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 65608452 is about 8099.9044438808. The cubic root of 65608452 is about 403.3232551421.

The spelling of 65608452 in words is "sixty-five million, six hundred eight thousand, four hundred fifty-two".