2513203251 has 16 divisors (see below), whose sum is σ = 3611978496. Its totient is φ = 1545182496.

The previous prime is 2513203243. The next prime is 2513203331. The reversal of 2513203251 is 1523023152.

It is a happy number.

It is not a de Polignac number, because 2513203251 - 2³ = 2513203243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2513213251) 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, 15106 + ... + 72488.

It is an arithmetic number, because the mean of its divisors is an integer number (225748656).

Almost surely, 2^2513203251 is an apocalyptic number.

2513203251 is a deficient number, since it is larger than the sum of its proper divisors (1098775245).

2513203251 is a wasteful number, since it uses less digits than its factorization.

2513203251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58522.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 2513203251 is about 50131.8586429827. The cubic root of 2513203251 is about 1359.5938902416.

The spelling of 2513203251 in words is "two billion, five hundred thirteen million, two hundred three thousand, two hundred fifty-one".