1258265 has 4 divisors (see below), whose sum is σ = 1509924. Its totient is φ = 1006608.

The previous prime is 1258241. The next prime is 1258267. The reversal of 1258265 is 5628521.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 153664 + 1104601 = 392^2 + 1051^2 .

It is a cyclic number.

It is not a de Polignac number, because 1258265 - 2¹⁰ = 1257241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1258267) 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, 125822 + ... + 125831.

It is an arithmetic number, because the mean of its divisors is an integer number (377481).

2^1258265 is an apocalyptic number.

It is an amenable number.

1258265 is a deficient number, since it is larger than the sum of its proper divisors (251659).

1258265 is an equidigital number, since it uses as much as digits as its factorization.

1258265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251658.

The product of its digits is 4800, while the sum is 29.

The square root of 1258265 is about 1121.7241193805. The cubic root of 1258265 is about 107.9586318473.

The spelling of 1258265 in words is "one million, two hundred fifty-eight thousand, two hundred sixty-five".