2651272 has 48 divisors (see below), whose sum is σ = 5632740. Its totient is φ = 1168128.

The previous prime is 2651239. The next prime is 2651273. The reversal of 2651272 is 2721562.

2651272 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 1196836 + 1454436 = 1094^2 + 1206^2 .

Its product of digits (1680) is a multiple of the sum of its prime divisors (105).

It is not an unprimeable number, because it can be changed into a prime (2651273) 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, 49998 + ... + 50050.

2^2651272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2651272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2816370).

2651272 is an abundant number, since it is smaller than the sum of its proper divisors (2981468).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2651272 is a wasteful number, since it uses less digits than its factorization.

2651272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122 (or 105 counting only the distinct ones).

The product of its digits is 1680, while the sum is 25.

The square root of 2651272 is about 1628.2727044325. The cubic root of 2651272 is about 138.4048880629.

The spelling of 2651272 in words is "two million, six hundred fifty-one thousand, two hundred seventy-two".