6220513357 has 2 divisors, whose sum is σ = 6220513358. Its totient is φ = 6220513356.

The previous prime is 6220513279. The next prime is 6220513391. The reversal of 6220513357 is 7533150226.

It is an a-pointer prime, because the next prime (6220513391) can be obtained adding 6220513357 to its sum of digits (34).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5858524681 + 361988676 = 76541^2 + 19026^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6220513357 is a prime.

It is a super-4 number, since 4×6220513357⁴ (a number of 40 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6220513457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3110256678 + 3110256679.

It is an arithmetic number, because the mean of its divisors is an integer number (3110256679).

Almost surely, 2^6220513357 is an apocalyptic number.

It is an amenable number.

6220513357 is a deficient number, since it is larger than the sum of its proper divisors (1).

6220513357 is an equidigital number, since it uses as much as digits as its factorization.

6220513357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37800, while the sum is 34.

The square root of 6220513357 is about 78870.2311204931. The cubic root of 6220513357 is about 1839.1143892095.

The spelling of 6220513357 in words is "six billion, two hundred twenty million, five hundred thirteen thousand, three hundred fifty-seven".