2547755 has 12 divisors (see below), whose sum is σ = 3556800. Its totient is φ = 1746864.

The previous prime is 2547719. The next prime is 2547757. The reversal of 2547755 is 5577452.

It is a happy number.

It is not a de Polignac number, because 2547755 - 2¹⁴ = 2531371 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2547757) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4955 + ... + 5444.

It is an arithmetic number, because the mean of its divisors is an integer number (296400).

2^2547755 is an apocalyptic number.

2547755 is a deficient number, since it is larger than the sum of its proper divisors (1009045).

2547755 is a wasteful number, since it uses less digits than its factorization.

2547755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10418 (or 10411 counting only the distinct ones).

The product of its digits is 49000, while the sum is 35.

The square root of 2547755 is about 1596.1688507172. The cubic root of 2547755 is about 136.5796160562.

The spelling of 2547755 in words is "two million, five hundred forty-seven thousand, seven hundred fifty-five".