652075778 has 8 divisors (see below), whose sum is σ = 979810572. Its totient is φ = 325472256.

The previous prime is 652075771. The next prime is 652075789. The reversal of 652075778 is 877570256.

It is a happy number.

652075778 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 546951769 + 105124009 = 23387^2 + 10253^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (652075771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 281375 + ... + 283682.

Almost surely, 2^652075778 is an apocalyptic number.

652075778 is a deficient number, since it is larger than the sum of its proper divisors (327734794).

652075778 is a wasteful number, since it uses less digits than its factorization.

652075778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565636.

The product of its (nonzero) digits is 823200, while the sum is 47.

The square root of 652075778 is about 25535.7744742547. The cubic root of 652075778 is about 867.1602383485.

The spelling of 652075778 in words is "six hundred fifty-two million, seventy-five thousand, seven hundred seventy-eight".