1603755413 has 12 divisors (see below), whose sum is σ = 1742323968. Its totient is φ = 1475519760.

The previous prime is 1603755389. The next prime is 1603755437. The reversal of 1603755413 is 3145573061.

It is an interprime number because it is at equal distance from previous prime (1603755389) and next prime (1603755437).

It is not a de Polignac number, because 1603755413 - 2¹⁶ = 1603689877 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1603755443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36428 + ... + 67338.

It is an arithmetic number, because the mean of its divisors is an integer number (145193664).

Almost surely, 2^1603755413 is an apocalyptic number.

1603755413 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1603755413 is a deficient number, since it is larger than the sum of its proper divisors (138568555).

1603755413 is a wasteful number, since it uses less digits than its factorization.

1603755413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31244 (or 31231 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 1603755413 is about 40046.9151496092. The cubic root of 1603755413 is about 1170.5214548022.

It can be divided in two parts, 160 and 3755413, that added together give a palindrome (3755573).

The spelling of 1603755413 in words is "one billion, six hundred three million, seven hundred fifty-five thousand, four hundred thirteen".