2495 has 4 divisors (see below), whose sum is σ = 3000. Its totient is φ = 1992.

The previous prime is 2477. The next prime is 2503. The reversal of 2495 is 5942.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5942 = 2 ⋅2971.

It is a cyclic number.

It is not a de Polignac number, because 2495 - 2^{8} = 2239 is a prime.

It is a plaindrome in base 8, base 13 and base 16.

It is a nialpdrome in base 14.

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, 245 + ... + 254.

It is an arithmetic number, because the mean of its divisors is an integer number (750).

2495 is a deficient number, since it is larger than the sum of its proper divisors (505).

2495 is an equidigital number, since it uses as much as digits as its factorization.

2495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504.

The product of its digits is 360, while the sum is 20.

The square root of 2495 is about 49.9499749750. The cubic root of 2495 is about 13.5630339855.

It can be divided in two parts, 2 and 495, that multiplied together give a triangular number (990 = T_{44}).

The spelling of 2495 in words is "two thousand, four hundred ninety-five".

• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.061 sec. • engine limits •