1416561 has 8 divisors (see below), whose sum is σ = 1911840. Its totient is φ = 932832.

The previous prime is 1416551. The next prime is 1416577. The reversal of 1416561 is 1656141.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1416561 - 2⁶ = 1416497 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1416511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2596 + ... + 3093.

It is an arithmetic number, because the mean of its divisors is an integer number (238980).

2^1416561 is an apocalyptic number.

It is an amenable number.

1416561 is a deficient number, since it is larger than the sum of its proper divisors (495279).

1416561 is an equidigital number, since it uses as much as digits as its factorization.

1416561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5775.

The product of its digits is 720, while the sum is 24.

The square root of 1416561 is about 1190.1936817174. The cubic root of 1416561 is about 112.3082759159.

The spelling of 1416561 in words is "one million, four hundred sixteen thousand, five hundred sixty-one".