2515755 has 32 divisors (see below), whose sum is σ = 4469760. Its totient is φ = 1198080.

The previous prime is 2515739. The next prime is 2515757. The reversal of 2515755 is 5575152.

2515755 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2515755 - 2⁴ = 2515739 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2515757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12939 + ... + 13131.

It is an arithmetic number, because the mean of its divisors is an integer number (139680).

2^2515755 is an apocalyptic number.

2515755 is a deficient number, since it is larger than the sum of its proper divisors (1954005).

2515755 is a wasteful number, since it uses less digits than its factorization.

2515755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291.

The product of its digits is 8750, while the sum is 30.

The square root of 2515755 is about 1586.1131737679. The cubic root of 2515755 is about 136.0053883390.

It can be divided in two parts, 251 and 5755, that added together give a palindrome (6006).

The spelling of 2515755 in words is "two million, five hundred fifteen thousand, seven hundred fifty-five".