2503955 has 4 divisors (see below), whose sum is σ = 3004752. Its totient is φ = 2003160.

The previous prime is 2503931. The next prime is 2503961. The reversal of 2503955 is 5593052.

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

It is not a de Polignac number, because 2503955 - 2¹⁰ = 2502931 is a prime.

It is a Duffinian 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, 250391 + ... + 250400.

It is an arithmetic number, because the mean of its divisors is an integer number (751188).

2^2503955 is an apocalyptic number.

2503955 is a deficient number, since it is larger than the sum of its proper divisors (500797).

2503955 is an equidigital number, since it uses as much as digits as its factorization.

2503955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500796.

The product of its (nonzero) digits is 6750, while the sum is 29.

The square root of 2503955 is about 1582.3890166454. The cubic root of 2503955 is about 135.7924132660.

The spelling of 2503955 in words is "two million, five hundred three thousand, nine hundred fifty-five".