1603411 has 2 divisors, whose sum is σ = 1603412. Its totient is φ = 1603410.

The previous prime is 1603403. The next prime is 1603417. The reversal of 1603411 is 1143061.

It is a strong prime.

It is an emirp because it is prime and its reverse (1143061) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1603411 - 2³ = 1603403 is a prime.

It is a nialpdrome in base 6.

It is not a weakly prime, because it can be changed into another prime (1603417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 801705 + 801706.

It is an arithmetic number, because the mean of its divisors is an integer number (801706).

2^1603411 is an apocalyptic number.

1603411 is a deficient number, since it is larger than the sum of its proper divisors (1).

1603411 is an equidigital number, since it uses as much as digits as its factorization.

1603411 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1603411 is about 1266.2586623593. The cubic root of 1603411 is about 117.0437657388.

Adding to 1603411 its reverse (1143061), we get a palindrome (2746472).

The spelling of 1603411 in words is "one million, six hundred three thousand, four hundred eleven".