543813157 has 2 divisors, whose sum is σ = 543813158. Its totient is φ = 543813156.

The previous prime is 543813097. The next prime is 543813167. The reversal of 543813157 is 751318345.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 287845156 + 255968001 = 16966^2 + 15999^2 .

It is a cyclic number.

It is not a de Polignac number, because 543813157 - 2⁷ = 543813029 is a prime.

It is a nialpdrome in base 13.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (543813167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271906578 + 271906579.

It is an arithmetic number, because the mean of its divisors is an integer number (271906579).

Almost surely, 2^543813157 is an apocalyptic number.

It is an amenable number.

543813157 is a deficient number, since it is larger than the sum of its proper divisors (1).

543813157 is an equidigital number, since it uses as much as digits as its factorization.

543813157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 50400, while the sum is 37.

The square root of 543813157 is about 23319.8018216279. The cubic root of 543813157 is about 816.2375502840.

The spelling of 543813157 in words is "five hundred forty-three million, eight hundred thirteen thousand, one hundred fifty-seven".