265501141 has 4 divisors (see below), whose sum is σ = 265545952. Its totient is φ = 265456332.

The previous prime is 265501111. The next prime is 265501153. The reversal of 265501141 is 141105562.

It is a happy number.

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 265501141 - 2⁷ = 265501013 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 (265501111) 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, 11865 + ... + 25918.

It is an arithmetic number, because the mean of its divisors is an integer number (66386488).

Almost surely, 2^265501141 is an apocalyptic number.

It is an amenable number.

265501141 is a deficient number, since it is larger than the sum of its proper divisors (44811).

265501141 is an equidigital number, since it uses as much as digits as its factorization.

265501141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44810.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 265501141 is about 16294.2057492840. The cubic root of 265501141 is about 642.7204679766.

The spelling of 265501141 in words is "two hundred sixty-five million, five hundred one thousand, one hundred forty-one".