523515241 has 2 divisors, whose sum is σ = 523515242. Its totient is φ = 523515240.

The previous prime is 523515233. The next prime is 523515263. The reversal of 523515241 is 142515325.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 501939216 + 21576025 = 22404^2 + 4645^2 .

It is a cyclic number.

It is not a de Polignac number, because 523515241 - 2³ = 523515233 is a prime.

It is not a weakly prime, because it can be changed into another prime (523545241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261757620 + 261757621.

It is an arithmetic number, because the mean of its divisors is an integer number (261757621).

Almost surely, 2^523515241 is an apocalyptic number.

It is an amenable number.

523515241 is a deficient number, since it is larger than the sum of its proper divisors (1).

523515241 is an equidigital number, since it uses as much as digits as its factorization.

523515241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6000, while the sum is 28.

The square root of 523515241 is about 22880.4554369007. The cubic root of 523515241 is about 805.9531120423.

The spelling of 523515241 in words is "five hundred twenty-three million, five hundred fifteen thousand, two hundred forty-one".