265253645 has 8 divisors (see below), whose sum is σ = 318409056. Its totient is φ = 212133136.

The previous prime is 265253617. The next prime is 265253671. The reversal of 265253645 is 546352562.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 265253645 - 2¹⁰ = 265252621 is a prime.

It is a super-3 number, since 3×265253645³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 265253599 and 265253608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12854 + ... + 26376.

It is an arithmetic number, because the mean of its divisors is an integer number (39801132).

Almost surely, 2^265253645 is an apocalyptic number.

It is an amenable number.

265253645 is a deficient number, since it is larger than the sum of its proper divisors (53155411).

265253645 is a wasteful number, since it uses less digits than its factorization.

265253645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17451.

The product of its digits is 216000, while the sum is 38.

The square root of 265253645 is about 16286.6093770312. The cubic root of 265253645 is about 642.5206945748.

The spelling of 265253645 in words is "two hundred sixty-five million, two hundred fifty-three thousand, six hundred forty-five".