1461403 has 2 divisors, whose sum is σ = 1461404. Its totient is φ = 1461402.

The previous prime is 1461401. The next prime is 1461407. The reversal of 1461403 is 3041641.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1461403 - 2¹ = 1461401 is a prime.

Together with 1461401, it forms a pair of twin primes.

1461403 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1461401) 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, 730701 + 730702.

It is an arithmetic number, because the mean of its divisors is an integer number (730702).

2^1461403 is an apocalyptic number.

1461403 is a deficient number, since it is larger than the sum of its proper divisors (1).

1461403 is an equidigital number, since it uses as much as digits as its factorization.

1461403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1461403 is about 1208.8850234824. The cubic root of 1461403 is about 113.4810463412.

The spelling of 1461403 in words is "one million, four hundred sixty-one thousand, four hundred three".