2513603213 has 4 divisors (see below), whose sum is σ = 2742112608. Its totient is φ = 2285093820.

The previous prime is 2513603203. The next prime is 2513603269. The reversal of 2513603213 is 3123063152.

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 2513603213 - 2⁸ = 2513602957 is a prime.

It is a super-2 number, since 2×2513603213² = 12636402224807846738, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2513603203) 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, 114254681 + ... + 114254702.

It is an arithmetic number, because the mean of its divisors is an integer number (685528152).

Almost surely, 2^2513603213 is an apocalyptic number.

It is an amenable number.

2513603213 is a deficient number, since it is larger than the sum of its proper divisors (228509395).

2513603213 is a wasteful number, since it uses less digits than its factorization.

2513603213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228509394.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 2513603213 is about 50135.8475843383. The cubic root of 2513603213 is about 1359.6660102935. Note that the first 3 decimals are identical.

Adding to 2513603213 its reverse (3123063152), we get a palindrome (5636666365).

The spelling of 2513603213 in words is "two billion, five hundred thirteen million, six hundred three thousand, two hundred thirteen".