652122019 has 2 divisors, whose sum is σ = 652122020. Its totient is φ = 652122018.

The previous prime is 652121999. The next prime is 652122083. The reversal of 652122019 is 910221256.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 652122019 - 2⁷ = 652121891 is a prime.

It is a super-2 number, since 2×652122019² = 850526255329272722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (652122619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326061009 + 326061010.

It is an arithmetic number, because the mean of its divisors is an integer number (326061010).

Almost surely, 2^652122019 is an apocalyptic number.

652122019 is a deficient number, since it is larger than the sum of its proper divisors (1).

652122019 is an equidigital number, since it uses as much as digits as its factorization.

652122019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 652122019 is about 25536.6798742515. The cubic root of 652122019 is about 867.1807356639.

The spelling of 652122019 in words is "six hundred fifty-two million, one hundred twenty-two thousand, nineteen".