2515305 has 16 divisors (see below), whose sum is σ = 4334400. Its totient is φ = 1238208.

The previous prime is 2515301. The next prime is 2515313. The reversal of 2515305 is 5035152.

It is not a de Polignac number, because 2515305 - 2² = 2515301 is a prime.

It is a super-3 number, since 3×2515305³ = 47741187473330992875, which contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2515301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6255 + ... + 6644.

It is an arithmetic number, because the mean of its divisors is an integer number (270900).

2^2515305 is an apocalyptic number.

It is an amenable number.

2515305 is a deficient number, since it is larger than the sum of its proper divisors (1819095).

2515305 is a wasteful number, since it uses less digits than its factorization.

2515305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12920.

The product of its (nonzero) digits is 750, while the sum is 21.

The square root of 2515305 is about 1585.9713112159. The cubic root of 2515305 is about 135.9972786364.

The spelling of 2515305 in words is "two million, five hundred fifteen thousand, three hundred five".