2545075 has 24 divisors (see below), whose sum is σ = 3499776. Its totient is φ = 1824000.

The previous prime is 2545073. The next prime is 2545079. The reversal of 2545075 is 5705452.

It is not a de Polignac number, because 2545075 - 2¹ = 2545073 is a prime.

It is a Duffinian number.

2545075 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2545073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13230 + ... + 13420.

It is an arithmetic number, because the mean of its divisors is an integer number (145824).

2^2545075 is an apocalyptic number.

2545075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2545075 is a deficient number, since it is larger than the sum of its proper divisors (954701).

2545075 is a wasteful number, since it uses less digits than its factorization.

2545075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255 (or 250 counting only the distinct ones).

The product of its (nonzero) digits is 7000, while the sum is 28.

The square root of 2545075 is about 1595.3291196490. The cubic root of 2545075 is about 136.5317095934.

It can be divided in two parts, 254 and 5075, that added together give a square (5329 = 73²).

The spelling of 2545075 in words is "two million, five hundred forty-five thousand, seventy-five".