755253013 has 4 divisors (see below), whose sum is σ = 755316460. Its totient is φ = 755189568.

The previous prime is 755252987. The next prime is 755253019. The reversal of 755253013 is 310352557.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 310352557 = 4463 ⋅69539.

It can be written as a sum of positive squares in 2 ways, for example, as 630662769 + 124590244 = 25113^2 + 11162^2 .

It is a cyclic number.

It is not a de Polignac number, because 755253013 - 2⁹ = 755252501 is a prime.

It is a super-2 number, since 2×755253013² = 1140814227291156338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (755253019) 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, 7908 + ... + 39661.

It is an arithmetic number, because the mean of its divisors is an integer number (188829115).

Almost surely, 2^755253013 is an apocalyptic number.

It is an amenable number.

755253013 is a deficient number, since it is larger than the sum of its proper divisors (63447).

755253013 is a wasteful number, since it uses less digits than its factorization.

755253013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63446.

The product of its (nonzero) digits is 15750, while the sum is 31.

The square root of 755253013 is about 27481.8669853414. The cubic root of 755253013 is about 910.6765539992.

The spelling of 755253013 in words is "seven hundred fifty-five million, two hundred fifty-three thousand, thirteen".