2651265 has 32 divisors (see below), whose sum is σ = 4838400. Its totient is φ = 1376640.

The previous prime is 2651239. The next prime is 2651273. The reversal of 2651265 is 5621562.

2651265 is a `hidden beast` number, since 2 + 651 + 2 + 6 + 5 = 666.

It is not a de Polignac number, because 2651265 - 2⁷ = 2651137 is a prime.

It is a super-3 number, since 3×2651265³ = 55908864333939103875, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5296 + ... + 5774.

It is an arithmetic number, because the mean of its divisors is an integer number (151200).

2^2651265 is an apocalyptic number.

It is an amenable number.

2651265 is a deficient number, since it is larger than the sum of its proper divisors (2187135).

2651265 is a wasteful number, since it uses less digits than its factorization.

2651265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534 (or 528 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 2651265 is about 1628.2705549140. The cubic root of 2651265 is about 138.4047662553.

It can be divided in two parts, 2651 and 265, that added together give a square (2916 = 54²).

The spelling of 2651265 in words is "two million, six hundred fifty-one thousand, two hundred sixty-five".