Search a number
-
+
525930193 is a prime number
BaseRepresentation
bin11111010110010…
…000111011010001
31100122122000121001
4133112100323101
52034114231233
6124104302001
716014222115
oct3726207321
91318560531
10525930193
1124a968158
12128171901
1384c637c9
144dbc5745
153128b27d
hex1f590ed1

525930193 has 2 divisors, whose sum is σ = 525930194. Its totient is φ = 525930192.

The previous prime is 525930191. The next prime is 525930253. The reversal of 525930193 is 391039525.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 394896384 + 131033809 = 19872^2 + 11447^2 .

It is a cyclic number.

It is not a de Polignac number, because 525930193 - 21 = 525930191 is a prime.

Together with 525930191, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (525930191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262965096 + 262965097.

It is an arithmetic number, because the mean of its divisors is an integer number (262965097).

Almost surely, 2525930193 is an apocalyptic number.

It is an amenable number.

525930193 is a deficient number, since it is larger than the sum of its proper divisors (1).

525930193 is an equidigital number, since it uses as much as digits as its factorization.

525930193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36450, while the sum is 37.

The square root of 525930193 is about 22933.1679669426. The cubic root of 525930193 is about 807.1904863562.

The spelling of 525930193 in words is "five hundred twenty-five million, nine hundred thirty thousand, one hundred ninety-three".