2628313 has 4 divisors (see below), whose sum is σ = 2633488. Its totient is φ = 2623140.

The previous prime is 2628277. The next prime is 2628331. The reversal of 2628313 is 3138262.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3138262 = 2 ⋅1569131.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2628313 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2⁵ + 6² + 2¹⁹ + 8⁷ + 3⁵ + 1 + 3⁸ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2628383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1731 + ... + 2872.

It is an arithmetic number, because the mean of its divisors is an integer number (658372).

2^2628313 is an apocalyptic number.

It is an amenable number.

2628313 is a deficient number, since it is larger than the sum of its proper divisors (5175).

2628313 is an equidigital number, since it uses as much as digits as its factorization.

2628313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5174.

The product of its digits is 1728, while the sum is 25.

The square root of 2628313 is about 1621.2072662063. The cubic root of 2628313 is about 138.0042181725.

The spelling of 2628313 in words is "two million, six hundred twenty-eight thousand, three hundred thirteen".