2513451263 has 16 divisors (see below), whose sum is σ = 2612736000. Its totient is φ = 2415383040.

The previous prime is 2513451223. The next prime is 2513451299. The reversal of 2513451263 is 3621543152.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2513451263 - 2¹⁴ = 2513434879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2513451223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4996670 + ... + 4997172.

It is an arithmetic number, because the mean of its divisors is an integer number (163296000).

Almost surely, 2^2513451263 is an apocalyptic number.

2513451263 is a deficient number, since it is larger than the sum of its proper divisors (99284737).

2513451263 is a wasteful number, since it uses less digits than its factorization.

2513451263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1342.

The product of its digits is 21600, while the sum is 32.

The square root of 2513451263 is about 50134.3321786578. The cubic root of 2513451263 is about 1359.6386119871.

The spelling of 2513451263 in words is "two billion, five hundred thirteen million, four hundred fifty-one thousand, two hundred sixty-three".