525417223 has 2 divisors, whose sum is σ = 525417224. Its totient is φ = 525417222.

The previous prime is 525417209. The next prime is 525417227. The reversal of 525417223 is 322714525.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 525417223 - 2²¹ = 523320071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (525417227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262708611 + 262708612.

It is an arithmetic number, because the mean of its divisors is an integer number (262708612).

Almost surely, 2^525417223 is an apocalyptic number.

525417223 is a deficient number, since it is larger than the sum of its proper divisors (1).

525417223 is an equidigital number, since it uses as much as digits as its factorization.

525417223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16800, while the sum is 31.

The square root of 525417223 is about 22921.9812189086. The cubic root of 525417223 is about 806.9279678683.

The spelling of 525417223 in words is "five hundred twenty-five million, four hundred seventeen thousand, two hundred twenty-three".