3141557 has 2 divisors, whose sum is σ = 3141558. Its totient is φ = 3141556.

The previous prime is 3141553. The next prime is 3141569. The reversal of 3141557 is 7551413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3118756 + 22801 = 1766^2 + 151^2 .

It is an emirp because it is prime and its reverse (7551413) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3141557 - 2² = 3141553 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3141553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1570778 + 1570779.

It is an arithmetic number, because the mean of its divisors is an integer number (1570779).

Almost surely, 2^3141557 is an apocalyptic number.

It is an amenable number.

3141557 is a deficient number, since it is larger than the sum of its proper divisors (1).

3141557 is an equidigital number, since it uses as much as digits as its factorization.

3141557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2100, while the sum is 26.

The square root of 3141557 is about 1772.4437931850. The cubic root of 3141557 is about 146.4586347043.

The spelling of 3141557 in words is "three million, one hundred forty-one thousand, five hundred fifty-seven".