1603223053 has 4 divisors (see below), whose sum is σ = 1609183260. Its totient is φ = 1597262848.

The previous prime is 1603222991. The next prime is 1603223057. The reversal of 1603223053 is 3503223061.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 862185769 + 741037284 = 29363^2 + 27222^2 .

It is a cyclic number.

It is not a de Polignac number, because 1603223053 - 2⁹ = 1603222541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1603223057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2979700 + ... + 2980237.

It is an arithmetic number, because the mean of its divisors is an integer number (402295815).

Almost surely, 2^1603223053 is an apocalyptic number.

It is an amenable number.

1603223053 is a deficient number, since it is larger than the sum of its proper divisors (5960207).

1603223053 is an equidigital number, since it uses as much as digits as its factorization.

1603223053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5960206.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 1603223053 is about 40040.2678937092. The cubic root of 1603223053 is about 1170.3919238777.

The spelling of 1603223053 in words is "one billion, six hundred three million, two hundred twenty-three thousand, fifty-three".