2513673 has 10 divisors (see below), whose sum is σ = 3755114. Its totient is φ = 1675728.

The previous prime is 2513663. The next prime is 2513677. The reversal of 2513673 is 3763152.

It is a happy number.

2513673 is nontrivially palindromic in base 8.

It can be written as a sum of positive squares in only one way, i.e., 2286144 + 227529 = 1512^2 + 477^2 .

It is not a de Polignac number, because 2513673 - 2⁴ = 2513657 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a d-powerful number, because it can be written as 2¹³ + 5³ + 1 + 3² + 6⁸ + 7⁷ + 3⁷ .

It is a Duffinian number.

2513673 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2513677) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 15436 + ... + 15597.

2^2513673 is an apocalyptic number.

It is an amenable number.

2513673 is a deficient number, since it is larger than the sum of its proper divisors (1241441).

2513673 is an equidigital number, since it uses as much as digits as its factorization.

2513673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31045 (or 31036 counting only the distinct ones).

The product of its digits is 3780, while the sum is 27.

The square root of 2513673 is about 1585.4567165331. The cubic root of 2513673 is about 135.9678593310.

The spelling of 2513673 in words is "two million, five hundred thirteen thousand, six hundred seventy-three".