1463641 has 2 divisors, whose sum is σ = 1463642. Its totient is φ = 1463640.

The previous prime is 1463621. The next prime is 1463647.

1463641 is nontrivially palindromic in base 10.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1008016 + 455625 = 1004^2 + 675^2 .

It is a palprime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1463641 is a prime.

1463641 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1463647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 731820 + 731821.

It is an arithmetic number, because the mean of its divisors is an integer number (731821).

2^1463641 is an apocalyptic number.

It is an amenable number.

1463641 is a deficient number, since it is larger than the sum of its proper divisors (1).

1463641 is an equidigital number, since it uses as much as digits as its factorization.

1463641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 25.

The square root of 1463641 is about 1209.8103157107. The cubic root of 1463641 is about 113.5389452798.

The spelling of 1463641 in words is "one million, four hundred sixty-three thousand, six hundred forty-one".