1603013426 has 16 divisors (see below), whose sum is σ = 2811931584. Its totient is φ = 671028624.

The previous prime is 1603013407. The next prime is 1603013429. The reversal of 1603013426 is 6243103061.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1603013395 and 1603013404.

It is not an unprimeable number, because it can be changed into a prime (1603013429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1330805 + ... + 1332008.

It is an arithmetic number, because the mean of its divisors is an integer number (175745724).

Almost surely, 2^1603013426 is an apocalyptic number.

1603013426 is a deficient number, since it is larger than the sum of its proper divisors (1208918158).

1603013426 is a wasteful number, since it uses less digits than its factorization.

1603013426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2662865.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 1603013426 is about 40037.6501058691. The cubic root of 1603013426 is about 1170.3409107137.

Adding to 1603013426 its reverse (6243103061), we get a palindrome (7846116487).

The spelling of 1603013426 in words is "one billion, six hundred three million, thirteen thousand, four hundred twenty-six".