1457661 has 16 divisors (see below), whose sum is σ = 2073600. Its totient is φ = 908208.

The previous prime is 1457653. The next prime is 1457663. The reversal of 1457661 is 1667541.

It is not a de Polignac number, because 1457661 - 2³ = 1457653 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1457663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5980 + ... + 6218.

It is an arithmetic number, because the mean of its divisors is an integer number (129600).

2^1457661 is an apocalyptic number.

It is an amenable number.

1457661 is a deficient number, since it is larger than the sum of its proper divisors (615939).

1457661 is a wasteful number, since it uses less digits than its factorization.

1457661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368.

The product of its digits is 5040, while the sum is 30.

The square root of 1457661 is about 1207.3363243107. The cubic root of 1457661 is about 113.3841054711.

It can be divided in two parts, 14 and 57661, that added together give a palindrome (57675).

The spelling of 1457661 in words is "one million, four hundred fifty-seven thousand, six hundred sixty-one".