525247 has 2 divisors, whose sum is σ = 525248. Its totient is φ = 525246.

The previous prime is 525241. The next prime is 525253. The reversal of 525247 is 742525.

525247 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (525241) and next prime (525253).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-525247 is a prime.

It is a super-2 number, since 2×525247² = 551768822018, which contains 22 as substring.

It is a d-powerful number, because it can be written as 5² + 2⁸ + 2¹⁹ + 5⁴ + 4 + 7² .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (525241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262623 + 262624.

It is an arithmetic number, because the mean of its divisors is an integer number (262624).

2⁵²⁵²⁴⁷ is an apocalyptic number.

525247 is a deficient number, since it is larger than the sum of its proper divisors (1).

525247 is an equidigital number, since it uses as much as digits as its factorization.

525247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2800, while the sum is 25.

The square root of 525247 is about 724.7392634596. The cubic root of 525247 is about 80.6840816471.

It can be divided in two parts, 5 and 25247, that added together give a palindrome (25252).

The spelling of 525247 in words is "five hundred twenty-five thousand, two hundred forty-seven".