57125143073 has 2 divisors, whose sum is σ = 57125143074. Its totient is φ = 57125143072.

The previous prime is 57125143069. The next prime is 57125143087. The reversal of 57125143073 is 37034152175.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44021075344 + 13104067729 = 209812^2 + 114473^2 .

It is a cyclic number.

It is not a de Polignac number, because 57125143073 - 2² = 57125143069 is a prime.

It is a super-2 number, since 2×57125143073² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (57125143043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28562571536 + 28562571537.

It is an arithmetic number, because the mean of its divisors is an integer number (28562571537).

Almost surely, 2^57125143073 is an apocalyptic number.

It is an amenable number.

57125143073 is a deficient number, since it is larger than the sum of its proper divisors (1).

57125143073 is an equidigital number, since it uses as much as digits as its factorization.

57125143073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 88200, while the sum is 38.

The spelling of 57125143073 in words is "fifty-seven billion, one hundred twenty-five million, one hundred forty-three thousand, seventy-three".