265403255 has 16 divisors (see below), whose sum is σ = 346387104. Its totient is φ = 194044800.

The previous prime is 265403231. The next prime is 265403261. The reversal of 265403255 is 552304562.

It is not a de Polignac number, because 265403255 - 2¹² = 265399159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13649 + ... + 26778.

It is an arithmetic number, because the mean of its divisors is an integer number (21649194).

Almost surely, 2^265403255 is an apocalyptic number.

265403255 is a deficient number, since it is larger than the sum of its proper divisors (80983849).

265403255 is a wasteful number, since it uses less digits than its factorization.

265403255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40546.

The product of its (nonzero) digits is 36000, while the sum is 32.

The square root of 265403255 is about 16291.2017665978. The cubic root of 265403255 is about 642.6414713681.

The spelling of 265403255 in words is "two hundred sixty-five million, four hundred three thousand, two hundred fifty-five".