65442452 has 24 divisors (see below), whose sum is σ = 126536256. Its totient is φ = 29456768.

The previous prime is 65442427. The next prime is 65442463. The reversal of 65442452 is 25424456.

65442452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19358 + ... + 22485.

It is an arithmetic number, because the mean of its divisors is an integer number (5272344).

Almost surely, 2^65442452 is an apocalyptic number.

It is an amenable number.

65442452 is a deficient number, since it is larger than the sum of its proper divisors (61093804).

65442452 is a wasteful number, since it uses less digits than its factorization.

65442452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41887 (or 41885 counting only the distinct ones).

The product of its digits is 38400, while the sum is 32.

The square root of 65442452 is about 8089.6509195391. The cubic root of 65442452 is about 402.9828101537.

The spelling of 65442452 in words is "sixty-five million, four hundred forty-two thousand, four hundred fifty-two".