2527220 has 24 divisors (see below), whose sum is σ = 5620104. Its totient is φ = 951296.

The previous prime is 2527219. The next prime is 2527223. The reversal of 2527220 is 227252.

It can be written as a sum of positive squares in 4 ways, for example, as 99856 + 2427364 = 316^2 + 1558^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2527192 and 2527201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2527223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3377 + ... + 4056.

It is an arithmetic number, because the mean of its divisors is an integer number (234171).

2^2527220 is an apocalyptic number.

2527220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2527220 is an abundant number, since it is smaller than the sum of its proper divisors (3092884).

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

2527220 is a wasteful number, since it uses less digits than its factorization.

2527220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7459 (or 7457 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 2527220 is about 1589.7232463545. The cubic root of 2527220 is about 136.2116801588.

Subtracting from 2527220 its reverse (227252), we obtain a cube (2299968 = 132³).

The spelling of 2527220 in words is "two million, five hundred twenty-seven thousand, two hundred twenty".