265012523 has 4 divisors (see below), whose sum is σ = 265240008. Its totient is φ = 264785040.

The previous prime is 265012499. The next prime is 265012549. The reversal of 265012523 is 325210562.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 265012523 - 2¹⁸ = 264750379 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 265012492 and 265012501.

It is not an unprimeable number, because it can be changed into a prime (265012123) 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 in 3 ways as a sum of consecutive naturals, for example, 111986 + ... + 114327.

It is an arithmetic number, because the mean of its divisors is an integer number (66310002).

Almost surely, 2^265012523 is an apocalyptic number.

265012523 is a deficient number, since it is larger than the sum of its proper divisors (227485).

265012523 is a wasteful number, since it uses less digits than its factorization.

265012523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227484.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 265012523 is about 16279.2052324430. The cubic root of 265012523 is about 642.3259465851.

The spelling of 265012523 in words is "two hundred sixty-five million, twelve thousand, five hundred twenty-three".