526501253 has 2 divisors, whose sum is σ = 526501254. Its totient is φ = 526501252.

The previous prime is 526501249. The next prime is 526501259. The reversal of 526501253 is 352105625.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 518108644 + 8392609 = 22762^2 + 2897^2 .

It is a cyclic number.

It is not a de Polignac number, because 526501253 - 2² = 526501249 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (526501259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263250626 + 263250627.

It is an arithmetic number, because the mean of its divisors is an integer number (263250627).

Almost surely, 2^526501253 is an apocalyptic number.

It is an amenable number.

526501253 is a deficient number, since it is larger than the sum of its proper divisors (1).

526501253 is an equidigital number, since it uses as much as digits as its factorization.

526501253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 526501253 is about 22945.6151148754. The cubic root of 526501253 is about 807.4825323791.

Adding to 526501253 its reverse (352105625), we get a palindrome (878606878).

The spelling of 526501253 in words is "five hundred twenty-six million, five hundred one thousand, two hundred fifty-three".