530933765 has 4 divisors (see below), whose sum is σ = 637120524. Its totient is φ = 424747008.

The previous prime is 530933729. The next prime is 530933779. The reversal of 530933765 is 567339035.

It is a Cunningham number, because it is equal to 23042²+1.

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 191158276 + 339775489 = 13826^2 + 18433^2 .

It is a cyclic number.

It is not a de Polignac number, because 530933765 - 2⁸ = 530933509 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53093372 + ... + 53093381.

It is an arithmetic number, because the mean of its divisors is an integer number (159280131).

Almost surely, 2^530933765 is an apocalyptic number.

It is an amenable number.

530933765 is a deficient number, since it is larger than the sum of its proper divisors (106186759).

530933765 is a wasteful number, since it uses less digits than its factorization.

530933765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106186758.

The product of its (nonzero) digits is 255150, while the sum is 41.

The square root of 530933765 is about 23042.0000216995. Note that the first 4 decimals coincide. The cubic root of 530933765 is about 809.7422158905.

The spelling of 530933765 in words is "five hundred thirty million, nine hundred thirty-three thousand, seven hundred sixty-five".