265057653 has 16 divisors (see below), whose sum is σ = 405668480. Its totient is φ = 150797376.

The previous prime is 265057643. The next prime is 265057669. The reversal of 265057653 is 356750562.

It is not a de Polignac number, because 265057653 - 2⁵ = 265057621 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265057613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22750 + ... + 32367.

It is an arithmetic number, because the mean of its divisors is an integer number (25354280).

Almost surely, 2^265057653 is an apocalyptic number.

It is an amenable number.

265057653 is a deficient number, since it is larger than the sum of its proper divisors (140610827).

265057653 is a wasteful number, since it uses less digits than its factorization.

265057653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55356.

The product of its (nonzero) digits is 189000, while the sum is 39.

The square root of 265057653 is about 16280.5912976157. The cubic root of 265057653 is about 642.3624058994.

The spelling of 265057653 in words is "two hundred sixty-five million, fifty-seven thousand, six hundred fifty-three".