530565 has 32 divisors (see below), whose sum is σ = 1007616. Its totient is φ = 233280.
The previous prime is 530549. The next prime is 530567. The reversal of 530565 is 565035.
It is not a de Polignac number, because 530565 - 24 = 530549 is a prime.
530565 is a lucky number.
It is a nialpdrome in base 15.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (530567) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3174 + ... + 3336.
It is an arithmetic number, because the mean of its divisors is an integer number (31488).
2530565 is an apocalyptic number.
It is an amenable number.
530565 is a deficient number, since it is larger than the sum of its proper divisors (477051).
530565 is a wasteful number, since it uses less digits than its factorization.
530565 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 209.
The product of its (nonzero) digits is 2250, while the sum is 24.
The square root of 530565 is about 728.3989291590. The cubic root of 530565 is about 80.9554701133.
The spelling of 530565 in words is "five hundred thirty thousand, five hundred sixty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •