2623525 has 12 divisors (see below), whose sum is σ = 3445092. Its totient is φ = 1975040.

The previous prime is 2623487. The next prime is 2623529. The reversal of 2623525 is 5253262.

It can be written as a sum of positive squares in 6 ways, for example, as 294849 + 2328676 = 543^2 + 1526^2 .

It is not a de Polignac number, because 2623525 - 2¹¹ = 2621477 is a prime.

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

It is a d-powerful number, because it can be written as 2⁹ + 6 + 2¹⁴ + 3⁶ + 5⁸ + 2¹⁸ + 5⁹ .

It is a Duffinian number.

2623525 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2623525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2623529) 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, 2662 + ... + 3511.

It is an arithmetic number, because the mean of its divisors is an integer number (287091).

2^2623525 is an apocalyptic number.

2623525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2623525 is a deficient number, since it is larger than the sum of its proper divisors (821567).

2623525 is a wasteful number, since it uses less digits than its factorization.

2623525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6200 (or 6195 counting only the distinct ones).

The product of its digits is 3600, while the sum is 25.

The square root of 2623525 is about 1619.7299157576. The cubic root of 2623525 is about 137.9203664343.

Adding to 2623525 its reverse (5253262), we get a palindrome (7876787).

The spelling of 2623525 in words is "two million, six hundred twenty-three thousand, five hundred twenty-five".