1457161 has 2 divisors, whose sum is σ = 1457162. Its totient is φ = 1457160.

The previous prime is 1457149. The next prime is 1457177. The reversal of 1457161 is 1617541.

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., 1440000 + 17161 = 1200^2 + 131^2 .

It is an emirp because it is prime and its reverse (1617541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1457161 - 2⁷ = 1457033 is a prime.

It is an Ulam number.

1457161 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1457111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 728580 + 728581.

It is an arithmetic number, because the mean of its divisors is an integer number (728581).

2^1457161 is an apocalyptic number.

It is an amenable number.

1457161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1457161 is an equidigital number, since it uses as much as digits as its factorization.

1457161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 840, while the sum is 25.

The square root of 1457161 is about 1207.1292391455. The cubic root of 1457161 is about 113.3711398282.

It can be divided in two parts, 14 and 57161, that added together give a palindrome (57175).

The spelling of 1457161 in words is "one million, four hundred fifty-seven thousand, one hundred sixty-one".