2643525 has 36 divisors (see below), whose sum is σ = 4900480. Its totient is φ = 1360800.

The previous prime is 2643523. The next prime is 2643547. The reversal of 2643525 is 5253462.

It is not a de Polignac number, because 2643525 - 2¹ = 2643523 is a prime.

It is a d-powerful number, because it can be written as 2⁸ + 6³ + 4 + 3¹³ + 5² + 2²⁰ + 5³ .

2643525 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2643523) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6786 + ... + 7164.

2^2643525 is an apocalyptic number.

2643525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2643525 is a deficient number, since it is larger than the sum of its proper divisors (2256955).

2643525 is a wasteful number, since it uses less digits than its factorization.

2643525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426 (or 418 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 2643525 is about 1625.8920628381. The cubic root of 2643525 is about 138.2699504795.

Adding to 2643525 its reverse (5253462), we get a palindrome (7896987).

The spelling of 2643525 in words is "two million, six hundred forty-three thousand, five hundred twenty-five".