506704157 has 2 divisors, whose sum is σ = 506704158. Its totient is φ = 506704156.

The previous prime is 506704123. The next prime is 506704181. The reversal of 506704157 is 751407605.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 295118041 + 211586116 = 17179^2 + 14546^2 .

It is a cyclic number.

It is not a de Polignac number, because 506704157 - 2¹⁴ = 506687773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (506704357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253352078 + 253352079.

It is an arithmetic number, because the mean of its divisors is an integer number (253352079).

Almost surely, 2^506704157 is an apocalyptic number.

It is an amenable number.

506704157 is a deficient number, since it is larger than the sum of its proper divisors (1).

506704157 is an equidigital number, since it uses as much as digits as its factorization.

506704157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29400, while the sum is 35.

The square root of 506704157 is about 22510.0901153238. The cubic root of 506704157 is about 797.2321834707.

The spelling of 506704157 in words is "five hundred six million, seven hundred four thousand, one hundred fifty-seven".