2520955 has 8 divisors (see below), whose sum is σ = 3035952. Its totient is φ = 2009568.

The previous prime is 2520943. The next prime is 2520971. The reversal of 2520955 is 5590252.

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 2520955 - 2⁹ = 2520443 is a prime.

It is a super-2 number, since 2×2520955² = 12710428224050, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1009 + ... + 2461.

It is an arithmetic number, because the mean of its divisors is an integer number (379494).

2^2520955 is an apocalyptic number.

2520955 is a deficient number, since it is larger than the sum of its proper divisors (514997).

2520955 is a wasteful number, since it uses less digits than its factorization.

2520955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1805.

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 2520955 is about 1587.7515548725. The cubic root of 2520955 is about 136.0990303807.

The spelling of 2520955 in words is "two million, five hundred twenty thousand, nine hundred fifty-five".