525865463 has 2 divisors, whose sum is σ = 525865464. Its totient is φ = 525865462.

The previous prime is 525865429. The next prime is 525865477. The reversal of 525865463 is 364568525.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 525865463 - 2²² = 521671159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (525865163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262932731 + 262932732.

It is an arithmetic number, because the mean of its divisors is an integer number (262932732).

Almost surely, 2^525865463 is an apocalyptic number.

525865463 is a deficient number, since it is larger than the sum of its proper divisors (1).

525865463 is an equidigital number, since it uses as much as digits as its factorization.

525865463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864000, while the sum is 44.

The square root of 525865463 is about 22931.7566488047. The cubic root of 525865463 is about 807.1573694238.

The spelling of 525865463 in words is "five hundred twenty-five million, eight hundred sixty-five thousand, four hundred sixty-three".