1485557 has 2 divisors, whose sum is σ = 1485558. Its totient is φ = 1485556.

The previous prime is 1485541. The next prime is 1485559. The reversal of 1485557 is 7555841.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1406596 + 78961 = 1186^2 + 281^2 .

It is an emirp because it is prime and its reverse (7555841) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1485557 - 2⁴ = 1485541 is a prime.

Together with 1485559, it forms a pair of twin primes.

It is a Chen prime.

It is a zygodrome in base 4.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1485559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 742778 + 742779.

It is an arithmetic number, because the mean of its divisors is an integer number (742779).

2^1485557 is an apocalyptic number.

It is an amenable number.

1485557 is a deficient number, since it is larger than the sum of its proper divisors (1).

1485557 is an equidigital number, since it uses as much as digits as its factorization.

1485557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28000, while the sum is 35.

The square root of 1485557 is about 1218.8342791372. The cubic root of 1485557 is about 114.1028363126.

The spelling of 1485557 in words is "one million, four hundred eighty-five thousand, five hundred fifty-seven".