620927471 has 2 divisors, whose sum is σ = 620927472. Its totient is φ = 620927470.

The previous prime is 620927459. The next prime is 620927491. The reversal of 620927471 is 174729026.

620927471 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 620927471 - 2¹⁴ = 620911087 is a prime.

It is a super-3 number, since 3×620927471³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (620927441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310463735 + 310463736.

It is an arithmetic number, because the mean of its divisors is an integer number (310463736).

Almost surely, 2^620927471 is an apocalyptic number.

620927471 is a deficient number, since it is larger than the sum of its proper divisors (1).

620927471 is an equidigital number, since it uses as much as digits as its factorization.

620927471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 620927471 is about 24918.4163020044. The cubic root of 620927471 is about 853.1268780362.

The spelling of 620927471 in words is "six hundred twenty million, nine hundred twenty-seven thousand, four hundred seventy-one".