265709053 has 4 divisors (see below), whose sum is σ = 279693760. Its totient is φ = 251724348.

The previous prime is 265709039. The next prime is 265709089. The reversal of 265709053 is 350907562.

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 a de Polignac number, because none of the positive numbers 2^k-265709053 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 (265709023) 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, 6992325 + ... + 6992362.

It is an arithmetic number, because the mean of its divisors is an integer number (69923440).

Almost surely, 2^265709053 is an apocalyptic number.

It is an amenable number.

265709053 is a deficient number, since it is larger than the sum of its proper divisors (13984707).

265709053 is a wasteful number, since it uses less digits than its factorization.

265709053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13984706.

The product of its (nonzero) digits is 56700, while the sum is 37.

The square root of 265709053 is about 16300.5844373752. The cubic root of 265709053 is about 642.8881941004. Note that the first 3 decimals are identical.

The spelling of 265709053 in words is "two hundred sixty-five million, seven hundred nine thousand, fifty-three".