265532623 has 2 divisors, whose sum is σ = 265532624. Its totient is φ = 265532622.

The previous prime is 265532621. The next prime is 265532647. The reversal of 265532623 is 326235562.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 265532623 - 2¹ = 265532621 is a prime.

Together with 265532621, 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 (265532621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132766311 + 132766312.

It is an arithmetic number, because the mean of its divisors is an integer number (132766312).

Almost surely, 2^265532623 is an apocalyptic number.

265532623 is a deficient number, since it is larger than the sum of its proper divisors (1).

265532623 is an equidigital number, since it uses as much as digits as its factorization.

265532623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64800, while the sum is 34.

The square root of 265532623 is about 16295.1717695764. The cubic root of 265532623 is about 642.7458706622.

The spelling of 265532623 in words is "two hundred sixty-five million, five hundred thirty-two thousand, six hundred twenty-three".