2651572 has 24 divisors (see below), whose sum is σ = 5785920. Its totient is φ = 1032960.

The previous prime is 2651569. The next prime is 2651581. The reversal of 2651572 is 2751562.

2651572 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2651572.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3997 + ... + 4612.

It is an arithmetic number, because the mean of its divisors is an integer number (241080).

2^2651572 is an apocalyptic number.

2651572 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2651572 is an abundant number, since it is smaller than the sum of its proper divisors (3134348).

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

2651572 is a wasteful number, since it uses less digits than its factorization.

2651572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8631 (or 8629 counting only the distinct ones).

The product of its digits is 4200, while the sum is 28.

The square root of 2651572 is about 1628.3648239875. The cubic root of 2651572 is about 138.4101081862.

It can be divided in two parts, 2651 and 572, that added together give a palindrome (3223).

The spelling of 2651572 in words is "two million, six hundred fifty-one thousand, five hundred seventy-two".