2147265 has 12 divisors (see below), whose sum is σ = 3722004. Its totient is φ = 1145184.

The previous prime is 2147263. The next prime is 2147269. The reversal of 2147265 is 5627412.

It can be written as a sum of positive squares in 2 ways, for example, as 685584 + 1461681 = 828^2 + 1209^2 .

It is not a de Polignac number, because 2147265 - 2¹ = 2147263 is a prime.

It is a super-2 number, since 2×2147265² = 9221493960450, which contains 22 as substring.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2²⁰ + 1 + 4⁷ + 7⁵ + 2²⁰ + 6⁴ + 5⁶ .

It is not an unprimeable number, because it can be changed into a prime (2147263) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23814 + ... + 23903.

It is an arithmetic number, because the mean of its divisors is an integer number (310167).

2^2147265 is an apocalyptic number.

It is an amenable number.

2147265 is a deficient number, since it is larger than the sum of its proper divisors (1574739).

2147265 is a wasteful number, since it uses less digits than its factorization.

2147265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47728 (or 47725 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 2147265 is about 1465.3549058163. The cubic root of 2147265 is about 129.0115367364.

The spelling of 2147265 in words is "two million, one hundred forty-seven thousand, two hundred sixty-five".