2533525 has 6 divisors (see below), whose sum is σ = 3141602. Its totient is φ = 2026800.

The previous prime is 2533507. The next prime is 2533549. The reversal of 2533525 is 5253352.

It can be written as a sum of positive squares in 3 ways, for example, as 579121 + 1954404 = 761^2 + 1398^2 .

It is not a de Polignac number, because 2533525 - 2⁷ = 2533397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 101341 = 2533525 / (2 + 5 + 3 + 3 + 5 + 2 + 5).

It is a d-powerful number, because it can be written as 2 + 5³ + 3¹² + 3¹³ + 5⁴ + 2¹⁴ + 5⁸ .

It is a Duffinian number.

2533525 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2533525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50646 + ... + 50695.

2^2533525 is an apocalyptic number.

2533525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2533525 is a deficient number, since it is larger than the sum of its proper divisors (608077).

2533525 is a wasteful number, since it uses less digits than its factorization.

2533525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101351 (or 101346 counting only the distinct ones).

The product of its digits is 4500, while the sum is 25.

The square root of 2533525 is about 1591.7050606190. The cubic root of 2533525 is about 136.3248613659.

Adding to 2533525 its reverse (5253352), we get a palindrome (7786877).

It can be divided in two parts, 25335 and 25, that multiplied together give a triangular number (633375 = T₁₁₂₅).

The spelling of 2533525 in words is "two million, five hundred thirty-three thousand, five hundred twenty-five".