522157 has 2 divisors, whose sum is σ = 522158. Its totient is φ = 522156.

The previous prime is 522127. The next prime is 522161. The reversal of 522157 is 751225.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 376996 + 145161 = 614^2 + 381^2 .

It is a cyclic number.

It is not a de Polignac number, because 522157 - 2¹⁵ = 489389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (522127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261078 + 261079.

It is an arithmetic number, because the mean of its divisors is an integer number (261079).

2⁵²²¹⁵⁷ is an apocalyptic number.

It is an amenable number.

522157 is a deficient number, since it is larger than the sum of its proper divisors (1).

522157 is an equidigital number, since it uses as much as digits as its factorization.

522157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 700, while the sum is 22.

The square root of 522157 is about 722.6043177286. The cubic root of 522157 is about 80.5255503171.

It can be divided in two parts, 52 and 2157, that added together give a square (2209 = 47²).

The spelling of 522157 in words is "five hundred twenty-two thousand, one hundred fifty-seven".