265500413 has 4 divisors (see below), whose sum is σ = 270000480. Its totient is φ = 261000348.

The previous prime is 265500409. The next prime is 265500421. The reversal of 265500413 is 314005562.

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 265500413 - 2² = 265500409 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265500463) 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, 2249945 + ... + 2250062.

It is an arithmetic number, because the mean of its divisors is an integer number (67500120).

Almost surely, 2^265500413 is an apocalyptic number.

It is an amenable number.

265500413 is a deficient number, since it is larger than the sum of its proper divisors (4500067).

265500413 is an equidigital number, since it uses as much as digits as its factorization.

265500413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4500066.

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

The square root of 265500413 is about 16294.1834100393. The cubic root of 265500413 is about 642.7198805329.

Adding to 265500413 its reverse (314005562), we get a palindrome (579505975).

The spelling of 265500413 in words is "two hundred sixty-five million, five hundred thousand, four hundred thirteen".