672513 has 4 divisors (see below), whose sum is σ = 896688. Its totient is φ = 448340.

The previous prime is 672499. The next prime is 672521. The reversal of 672513 is 315276.

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.

It is a cyclic number.

It is not a de Polignac number, because 672513 - 2¹² = 668417 is a prime.

It is a D-number.

It is a Curzon number.

It is a plaindrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (672593) 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, 112083 + ... + 112088.

It is an arithmetic number, because the mean of its divisors is an integer number (224172).

2⁶⁷²⁵¹³ is an apocalyptic number.

It is an amenable number.

672513 is a deficient number, since it is larger than the sum of its proper divisors (224175).

672513 is a wasteful number, since it uses less digits than its factorization.

672513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224174.

The product of its digits is 1260, while the sum is 24.

The square root of 672513 is about 820.0688995444. The cubic root of 672513 is about 87.6126657527.

Adding to 672513 its reverse (315276), we get a palindrome (987789).

The spelling of 672513 in words is "six hundred seventy-two thousand, five hundred thirteen".