265057455 has 64 divisors (see below), whose sum is σ = 496879488. Its totient is φ = 119439360.

The previous prime is 265057423. The next prime is 265057459. The reversal of 265057455 is 554750562.

It is not a de Polignac number, because 265057455 - 2⁵ = 265057423 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265057459) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 121575 + ... + 123735.

It is an arithmetic number, because the mean of its divisors is an integer number (7763742).

Almost surely, 2^265057455 is an apocalyptic number.

265057455 is a deficient number, since it is larger than the sum of its proper divisors (231822033).

265057455 is a wasteful number, since it uses less digits than its factorization.

265057455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2236.

The product of its (nonzero) digits is 210000, while the sum is 39.

The square root of 265057455 is about 16280.5852167543. The cubic root of 265057455 is about 642.3622459495.

The spelling of 265057455 in words is "two hundred sixty-five million, fifty-seven thousand, four hundred fifty-five".