1463561 has 4 divisors (see below), whose sum is σ = 1596624. Its totient is φ = 1330500.

The previous prime is 1463557. The next prime is 1463563. The reversal of 1463561 is 1653641.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1463561 - 2² = 1463557 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1463561.

It is not an unprimeable number, because it can be changed into a prime (1463563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66515 + ... + 66536.

It is an arithmetic number, because the mean of its divisors is an integer number (399156).

2^1463561 is an apocalyptic number.

1463561 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1463561 is a deficient number, since it is larger than the sum of its proper divisors (133063).

1463561 is a wasteful number, since it uses less digits than its factorization.

1463561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133062.

The product of its digits is 2160, while the sum is 26.

The square root of 1463561 is about 1209.7772522246. Note that the first 3 decimals coincide. The cubic root of 1463561 is about 113.5368766302.

The spelling of 1463561 in words is "one million, four hundred sixty-three thousand, five hundred sixty-one".