6243585157 has 2 divisors, whose sum is σ = 6243585158. Its totient is φ = 6243585156.

The previous prime is 6243585151. The next prime is 6243585167. The reversal of 6243585157 is 7515853426.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3217044961 + 3026540196 = 56719^2 + 55014^2 .

It is a cyclic number.

It is not a de Polignac number, because 6243585157 - 2¹¹ = 6243583109 is a prime.

It is a super-2 number, since 2×6243585157² = 77964711225421429298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6243585151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3121792578 + 3121792579.

It is an arithmetic number, because the mean of its divisors is an integer number (3121792579).

Almost surely, 2^6243585157 is an apocalyptic number.

It is an amenable number.

6243585157 is a deficient number, since it is larger than the sum of its proper divisors (1).

6243585157 is an equidigital number, since it uses as much as digits as its factorization.

6243585157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1008000, while the sum is 46.

The square root of 6243585157 is about 79016.3600591675. The cubic root of 6243585157 is about 1841.3853340256.

The spelling of 6243585157 in words is "six billion, two hundred forty-three million, five hundred eighty-five thousand, one hundred fifty-seven".