538757 has 4 divisors (see below), whose sum is σ = 553356. Its totient is φ = 524160.

The previous prime is 538751. The next prime is 538763. The reversal of 538757 is 757835.

It is a Cunningham number, because it is equal to 734²+1.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (538751) and next prime (538763).

It can be written as a sum of positive squares in 2 ways, for example, as 481636 + 57121 = 694^2 + 239^2 .

It is a cyclic number.

It is not a de Polignac number, because 538757 - 2¹² = 534661 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7244 + ... + 7317.

It is an arithmetic number, because the mean of its divisors is an integer number (138339).

2⁵³⁸⁷⁵⁷ is an apocalyptic number.

It is an amenable number.

538757 is a deficient number, since it is larger than the sum of its proper divisors (14599).

538757 is a wasteful number, since it uses less digits than its factorization.

538757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14598.

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

The square root of 538757 is about 734.0006811986. Note that the first 3 decimals coincide. The cubic root of 538757 is about 81.3699986229.

The spelling of 538757 in words is "five hundred thirty-eight thousand, seven hundred fifty-seven".