652020785 has 16 divisors (see below), whose sum is σ = 844901904. Its totient is φ = 480183552.

The previous prime is 652020781. The next prime is 652020791. The reversal of 652020785 is 587020256.

It can be written as a sum of positive squares in 8 ways, for example, as 954529 + 651066256 = 977^2 + 25516^2 .

It is a cyclic number.

It is not a de Polignac number, because 652020785 - 2² = 652020781 is a prime.

It is a super-2 number, since 2×652020785² = 850262208144032450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (652020781) 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, 10799 + ... + 37691.

It is an arithmetic number, because the mean of its divisors is an integer number (52806369).

Almost surely, 2^652020785 is an apocalyptic number.

652020785 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

652020785 is a deficient number, since it is larger than the sum of its proper divisors (192881119).

652020785 is a wasteful number, since it uses less digits than its factorization.

652020785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27284.

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 652020785 is about 25534.6976680751. The cubic root of 652020785 is about 867.1358602597.

The spelling of 652020785 in words is "six hundred fifty-two million, twenty thousand, seven hundred eighty-five".