1603671245 has 16 divisors (see below), whose sum is σ = 2100161088. Its totient is φ = 1165856640.

The previous prime is 1603671229. The next prime is 1603671259. The reversal of 1603671245 is 5421763061.

It is not a de Polignac number, because 1603671245 - 2⁴ = 1603671229 is a prime.

It is a super-4 number, since 4×1603671245⁴ (a number of 38 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219542 + ... + 226728.

It is an arithmetic number, because the mean of its divisors is an integer number (131260068).

Almost surely, 2^1603671245 is an apocalyptic number.

It is an amenable number.

1603671245 is a deficient number, since it is larger than the sum of its proper divisors (496489843).

1603671245 is a wasteful number, since it uses less digits than its factorization.

1603671245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11260.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 1603671245 is about 40045.8642683611. The cubic root of 1603671245 is about 1170.5009774126.

The spelling of 1603671245 in words is "one billion, six hundred three million, six hundred seventy-one thousand, two hundred forty-five".