2775525 has 24 divisors (see below), whose sum is σ = 4791360. Its totient is φ = 1415040.

The previous prime is 2775517. The next prime is 2775527. The reversal of 2775525 is 5255772.

It is not a de Polignac number, because 2775525 - 2³ = 2775517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2775527) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 921 + ... + 2529.

It is an arithmetic number, because the mean of its divisors is an integer number (199640).

2^2775525 is an apocalyptic number.

2775525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2775525 is a deficient number, since it is larger than the sum of its proper divisors (2015835).

2775525 is a wasteful number, since it uses less digits than its factorization.

2775525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1645 (or 1640 counting only the distinct ones).

The product of its digits is 24500, while the sum is 33.

The square root of 2775525 is about 1665.9906962525. The cubic root of 2775525 is about 140.5340992787.

The spelling of 2775525 in words is "two million, seven hundred seventy-five thousand, five hundred twenty-five".