545093 has 2 divisors, whose sum is σ = 545094. Its totient is φ = 545092.
The previous prime is 545089. The next prime is 545117. The reversal of 545093 is 390545.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 357604 + 187489 = 598^2 + 433^2 .
It is a cyclic number.
It is not a de Polignac number, because 545093 - 22 = 545089 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (545023) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272546 + 272547.
It is an arithmetic number, because the mean of its divisors is an integer number (272547).
2545093 is an apocalyptic number.
It is an amenable number.
545093 is a deficient number, since it is larger than the sum of its proper divisors (1).
545093 is an equidigital number, since it uses as much as digits as its factorization.
545093 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2700, while the sum is 26.
The square root of 545093 is about 738.3041378727. The cubic root of 545093 is about 81.6877376330.
The spelling of 545093 in words is "five hundred forty-five thousand, ninety-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.000 sec. • engine limits •