2515955 has 8 divisors (see below), whose sum is σ = 3251472. Its totient is φ = 1857888.

The previous prime is 2515951. The next prime is 2515967. The reversal of 2515955 is 5595152.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2515955 - 2² = 2515951 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2515951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19289 + ... + 19418.

It is an arithmetic number, because the mean of its divisors is an integer number (406434).

2^2515955 is an apocalyptic number.

2515955 is a deficient number, since it is larger than the sum of its proper divisors (735517).

2515955 is a wasteful number, since it uses less digits than its factorization.

2515955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38725.

The product of its digits is 11250, while the sum is 32.

The square root of 2515955 is about 1586.1762197184. The cubic root of 2515955 is about 136.0089923408.

The spelling of 2515955 in words is "two million, five hundred fifteen thousand, nine hundred fifty-five".