265642053 has 4 divisors (see below), whose sum is σ = 354189408. Its totient is φ = 177094700.

The previous prime is 265641997. The next prime is 265642087. The reversal of 265642053 is 350246562.

265642053 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 265642053 - 2⁸ = 265641797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265642093) 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, 44273673 + ... + 44273678.

It is an arithmetic number, because the mean of its divisors is an integer number (88547352).

Almost surely, 2^265642053 is an apocalyptic number.

It is an amenable number.

265642053 is a deficient number, since it is larger than the sum of its proper divisors (88547355).

265642053 is an equidigital number, since it uses as much as digits as its factorization.

265642053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88547354.

The product of its (nonzero) digits is 43200, while the sum is 33.

The square root of 265642053 is about 16298.5291667684. The cubic root of 265642053 is about 642.8341536259.

The spelling of 265642053 in words is "two hundred sixty-five million, six hundred forty-two thousand, fifty-three".