620115271 has 2 divisors, whose sum is σ = 620115272. Its totient is φ = 620115270.

The previous prime is 620115263. The next prime is 620115343. The reversal of 620115271 is 172511026.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 620115271 - 2³ = 620115263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (620115241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310057635 + 310057636.

It is an arithmetic number, because the mean of its divisors is an integer number (310057636).

Almost surely, 2^620115271 is an apocalyptic number.

620115271 is a deficient number, since it is larger than the sum of its proper divisors (1).

620115271 is an equidigital number, since it uses as much as digits as its factorization.

620115271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 620115271 is about 24902.1137857813. The cubic root of 620115271 is about 852.7547401075.

Adding to 620115271 its reverse (172511026), we get a palindrome (792626297).

The spelling of 620115271 in words is "six hundred twenty million, one hundred fifteen thousand, two hundred seventy-one".