52920617 has 2 divisors, whose sum is σ = 52920618. Its totient is φ = 52920616.

The previous prime is 52920613. The next prime is 52920629. The reversal of 52920617 is 71602925.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41011216 + 11909401 = 6404^2 + 3451^2 .

It is a cyclic number.

It is not a de Polignac number, because 52920617 - 2² = 52920613 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (52920613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26460308 + 26460309.

It is an arithmetic number, because the mean of its divisors is an integer number (26460309).

Almost surely, 2^52920617 is an apocalyptic number.

It is an amenable number.

52920617 is a deficient number, since it is larger than the sum of its proper divisors (1).

52920617 is an equidigital number, since it uses as much as digits as its factorization.

52920617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 52920617 is about 7274.6557994176. The cubic root of 52920617 is about 375.4409438314.

The spelling of 52920617 in words is "fifty-two million, nine hundred twenty thousand, six hundred seventeen".