520187093 has 2 divisors, whose sum is σ = 520187094. Its totient is φ = 520187092.

The previous prime is 520187081. The next prime is 520187191. The reversal of 520187093 is 390781025.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 332442289 + 187744804 = 18233^2 + 13702^2 .

It is a cyclic number.

It is not a de Polignac number, because 520187093 - 2¹⁶ = 520121557 is a prime.

It is a super-2 number, since 2×520187093² = 541189223447581298, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (520187053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260093546 + 260093547.

It is an arithmetic number, because the mean of its divisors is an integer number (260093547).

Almost surely, 2^520187093 is an apocalyptic number.

It is an amenable number.

520187093 is a deficient number, since it is larger than the sum of its proper divisors (1).

520187093 is an equidigital number, since it uses as much as digits as its factorization.

520187093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 520187093 is about 22807.6104184546. The cubic root of 520187093 is about 804.2415824158.

The spelling of 520187093 in words is "five hundred twenty million, one hundred eighty-seven thousand, ninety-three".