2455015 has 4 divisors (see below), whose sum is σ = 2946024. Its totient is φ = 1964008.

The previous prime is 2455003. The next prime is 2455087. The reversal of 2455015 is 5105542.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2455015 - 2⁹ = 2454503 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245497 + ... + 245506.

It is an arithmetic number, because the mean of its divisors is an integer number (736506).

2^2455015 is an apocalyptic number.

2455015 is a deficient number, since it is larger than the sum of its proper divisors (491009).

2455015 is an equidigital number, since it uses as much as digits as its factorization.

2455015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491008.

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 2455015 is about 1566.8487482843. The cubic root of 2455015 is about 134.9018948875.

The spelling of 2455015 in words is "two million, four hundred fifty-five thousand, fifteen".