525235663 has 2 divisors, whose sum is σ = 525235664. Its totient is φ = 525235662.

The previous prime is 525235661. The next prime is 525235679. The reversal of 525235663 is 366532525.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 525235663 - 2¹ = 525235661 is a prime.

Together with 525235661, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (525235661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262617831 + 262617832.

It is an arithmetic number, because the mean of its divisors is an integer number (262617832).

Almost surely, 2^525235663 is an apocalyptic number.

525235663 is a deficient number, since it is larger than the sum of its proper divisors (1).

525235663 is an equidigital number, since it uses as much as digits as its factorization.

525235663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 162000, while the sum is 37.

The square root of 525235663 is about 22918.0204860717. The cubic root of 525235663 is about 806.8350114431.

The spelling of 525235663 in words is "five hundred twenty-five million, two hundred thirty-five thousand, six hundred sixty-three".