265569053 has 4 divisors (see below), whose sum is σ = 281190780. Its totient is φ = 249947328.

The previous prime is 265569049. The next prime is 265569103. The reversal of 265569053 is 350965562.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 350965562 = 2 ⋅175482781.

It can be written as a sum of positive squares in 2 ways, for example, as 215414329 + 50154724 = 14677^2 + 7082^2 .

It is not a de Polignac number, because 265569053 - 2² = 265569049 is a prime.

It is a super-2 number, since 2×265569053² = 141053843822633618, which contains 22 as substring.

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 265569053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265569043) 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, 7810838 + ... + 7810871.

It is an arithmetic number, because the mean of its divisors is an integer number (70297695).

Almost surely, 2^265569053 is an apocalyptic number.

It is an amenable number.

265569053 is a deficient number, since it is larger than the sum of its proper divisors (15621727).

265569053 is a wasteful number, since it uses less digits than its factorization.

265569053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15621726.

The product of its (nonzero) digits is 243000, while the sum is 41.

The square root of 265569053 is about 16296.2895470104. The cubic root of 265569053 is about 642.7752633611.

The spelling of 265569053 in words is "two hundred sixty-five million, five hundred sixty-nine thousand, fifty-three".