2545755 has 32 divisors (see below), whose sum is σ = 4368384. Its totient is φ = 1262976.

The previous prime is 2545727. The next prime is 2545757. The reversal of 2545755 is 5575452.

2545755 = 41² + 42² + ... + 197².

It is not a de Polignac number, because 2545755 - 2⁶ = 2545691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2545757) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16137 + ... + 16293.

It is an arithmetic number, because the mean of its divisors is an integer number (136512).

2^2545755 is an apocalyptic number.

2545755 is a deficient number, since it is larger than the sum of its proper divisors (1822629).

2545755 is a wasteful number, since it uses less digits than its factorization.

2545755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235.

The product of its digits is 35000, while the sum is 33.

The square root of 2545755 is about 1595.5422275828. The cubic root of 2545755 is about 136.5438681474.

The spelling of 2545755 in words is "two million, five hundred forty-five thousand, seven hundred fifty-five".