1505265 has 16 divisors (see below), whose sum is σ = 2550528. Its totient is φ = 755456.

The previous prime is 1505261. The next prime is 1505279. The reversal of 1505265 is 5625051.

It is a cyclic number.

It is not a de Polignac number, because 1505265 - 2² = 1505261 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1505261) 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, 2697 + ... + 3206.

It is an arithmetic number, because the mean of its divisors is an integer number (159408).

2^1505265 is an apocalyptic number.

1505265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1505265 is a deficient number, since it is larger than the sum of its proper divisors (1045263).

1505265 is a wasteful number, since it uses less digits than its factorization.

1505265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5928.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 1505265 is about 1226.8924158214. The cubic root of 1505265 is about 114.6051994266.

It can be divided in two parts, 1505 and 265, that added together give a triangular number (1770 = T₅₉).

The spelling of 1505265 in words is "one million, five hundred five thousand, two hundred sixty-five".