755321113 has 4 divisors (see below), whose sum is σ = 755442468. Its totient is φ = 755199760.

The previous prime is 755321111. The next prime is 755321137. The reversal of 755321113 is 311123557.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 311123557 = 5171 ⋅60167.

It can be written as a sum of positive squares in 2 ways, for example, as 516062089 + 239259024 = 22717^2 + 15468^2 .

It is a cyclic number.

It is not a de Polignac number, because 755321113 - 2¹ = 755321111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (755321111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50806 + ... + 63967.

It is an arithmetic number, because the mean of its divisors is an integer number (188860617).

Almost surely, 2^755321113 is an apocalyptic number.

It is an amenable number.

755321113 is a deficient number, since it is larger than the sum of its proper divisors (121355).

755321113 is a wasteful number, since it uses less digits than its factorization.

755321113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121354.

The product of its digits is 3150, while the sum is 28.

The square root of 755321113 is about 27483.1059562052. The cubic root of 755321113 is about 910.7039246103.

The spelling of 755321113 in words is "seven hundred fifty-five million, three hundred twenty-one thousand, one hundred thirteen".