2722525 has 12 divisors (see below), whose sum is σ = 3636052. Its totient is φ = 2010240.

The previous prime is 2722507. The next prime is 2722541. The reversal of 2722525 is 5252272.

It can be written as a sum of positive squares in 6 ways, for example, as 708964 + 2013561 = 842^2 + 1419^2 .

It is not a de Polignac number, because 2722525 - 2¹⁷ = 2591453 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2722525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3864 + ... + 4513.

2^2722525 is an apocalyptic number.

2722525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2722525 is a deficient number, since it is larger than the sum of its proper divisors (913527).

2722525 is a wasteful number, since it uses less digits than its factorization.

2722525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8400 (or 8395 counting only the distinct ones).

The product of its digits is 2800, while the sum is 25.

The square root of 2722525 is about 1650.0075757402. The cubic root of 2722525 is about 139.6338219870.

Subtracting from 2722525 its sum of digits (25), we obtain a square (2722500 = 1650²).

Adding to 2722525 its reverse (5252272), we get a palindrome (7974797).

It can be divided in two parts, 27225 and 25, that multiplied together give a square (680625 = 825²).

The spelling of 2722525 in words is "two million, seven hundred twenty-two thousand, five hundred twenty-five".