265533413 has 4 divisors (see below), whose sum is σ = 277078368. Its totient is φ = 253988460.

The previous prime is 265533407. The next prime is 265533473. The reversal of 265533413 is 314335562.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 265533413 - 2⁸ = 265533157 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 265533413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265533403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5772443 + ... + 5772488.

It is an arithmetic number, because the mean of its divisors is an integer number (69269592).

Almost surely, 2^265533413 is an apocalyptic number.

265533413 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

265533413 is a deficient number, since it is larger than the sum of its proper divisors (11544955).

265533413 is a wasteful number, since it uses less digits than its factorization.

265533413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11544954.

The product of its digits is 32400, while the sum is 32.

The square root of 265533413 is about 16295.1960098674. The cubic root of 265533413 is about 642.7465080839.

Adding to 265533413 its reverse (314335562), we get a palindrome (579868975).

The spelling of 265533413 in words is "two hundred sixty-five million, five hundred thirty-three thousand, four hundred thirteen".