652550819 has 2 divisors, whose sum is σ = 652550820. Its totient is φ = 652550818.

The previous prime is 652550813. The next prime is 652550827. The reversal of 652550819 is 918055256.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 652550819 - 2⁴ = 652550803 is a prime.

It is a super-2 number, since 2×652550819² = 851645142755141522, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (652550813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326275409 + 326275410.

It is an arithmetic number, because the mean of its divisors is an integer number (326275410).

Almost surely, 2^652550819 is an apocalyptic number.

652550819 is a deficient number, since it is larger than the sum of its proper divisors (1).

652550819 is an equidigital number, since it uses as much as digits as its factorization.

652550819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108000, while the sum is 41.

The square root of 652550819 is about 25545.0742609999. The cubic root of 652550819 is about 867.3707643274.

The spelling of 652550819 in words is "six hundred fifty-two million, five hundred fifty thousand, eight hundred nineteen".