8539057 has 2 divisors, whose sum is σ = 8539058. Its totient is φ = 8539056.

The previous prime is 8539051. The next prime is 8539061. The reversal of 8539057 is 7509358.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8520561 + 18496 = 2919^2 + 136^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8539057 is a prime.

8539057 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8539051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4269528 + 4269529.

It is an arithmetic number, because the mean of its divisors is an integer number (4269529).

Almost surely, 2^8539057 is an apocalyptic number.

It is an amenable number.

8539057 is a deficient number, since it is larger than the sum of its proper divisors (1).

8539057 is an equidigital number, since it uses as much as digits as its factorization.

8539057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 8539057 is about 2922.1664908078. The cubic root of 8539057 is about 204.3948602995.

The spelling of 8539057 in words is "eight million, five hundred thirty-nine thousand, fifty-seven".