523210249 has 2 divisors, whose sum is σ = 523210250. Its totient is φ = 523210248.

The previous prime is 523210217. The next prime is 523210333. The reversal of 523210249 is 942012325.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 470022400 + 53187849 = 21680^2 + 7293^2 .

It is a cyclic number.

It is not a de Polignac number, because 523210249 - 2⁵ = 523210217 is a prime.

It is not a weakly prime, because it can be changed into another prime (523210349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261605124 + 261605125.

It is an arithmetic number, because the mean of its divisors is an integer number (261605125).

Almost surely, 2^523210249 is an apocalyptic number.

It is an amenable number.

523210249 is a deficient number, since it is larger than the sum of its proper divisors (1).

523210249 is an equidigital number, since it uses as much as digits as its factorization.

523210249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 523210249 is about 22873.7895636031. The cubic root of 523210249 is about 805.7965696391.

The spelling of 523210249 in words is "five hundred twenty-three million, two hundred ten thousand, two hundred forty-nine".