1461566 has 4 divisors (see below), whose sum is σ = 2192352. Its totient is φ = 730782.

The previous prime is 1461563. The next prime is 1461583. The reversal of 1461566 is 6651641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6651641 = 17 ⋅391273.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1461563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 365390 + ... + 365393.

It is an arithmetic number, because the mean of its divisors is an integer number (548088).

2^1461566 is an apocalyptic number.

1461566 is a deficient number, since it is larger than the sum of its proper divisors (730786).

1461566 is an equidigital number, since it uses as much as digits as its factorization.

1461566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730785.

The product of its digits is 4320, while the sum is 29.

The square root of 1461566 is about 1208.9524390976. The cubic root of 1461566 is about 113.4852652830.

The spelling of 1461566 in words is "one million, four hundred sixty-one thousand, five hundred sixty-six".