620373353 has 2 divisors, whose sum is σ = 620373354. Its totient is φ = 620373352.

The previous prime is 620373311. The next prime is 620373359. The reversal of 620373353 is 353373026.

620373353 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 607721104 + 12652249 = 24652^2 + 3557^2 .

It is a cyclic number.

It is not a de Polignac number, because 620373353 - 2¹⁰ = 620372329 is a prime.

It is a super-2 number, since 2×620373353² = 769726194224925218, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (620373359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310186676 + 310186677.

It is an arithmetic number, because the mean of its divisors is an integer number (310186677).

Almost surely, 2^620373353 is an apocalyptic number.

It is an amenable number.

620373353 is a deficient number, since it is larger than the sum of its proper divisors (1).

620373353 is an equidigital number, since it uses as much as digits as its factorization.

620373353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34020, while the sum is 32.

The square root of 620373353 is about 24907.2951763133. The cubic root of 620373353 is about 852.8730246345.

The spelling of 620373353 in words is "six hundred twenty million, three hundred seventy-three thousand, three hundred fifty-three".