2513453891 has 16 divisors (see below), whose sum is σ = 2743372800. Its totient is φ = 2288843040.

The previous prime is 2513453881. The next prime is 2513453903. The reversal of 2513453891 is 1983543152.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2513453891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2513453881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1046510 + ... + 1048908.

It is an arithmetic number, because the mean of its divisors is an integer number (171460800).

Almost surely, 2^2513453891 is an apocalyptic number.

2513453891 is a deficient number, since it is larger than the sum of its proper divisors (229918909).

2513453891 is a wasteful number, since it uses less digits than its factorization.

2513453891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3466.

The product of its digits is 129600, while the sum is 41.

The square root of 2513453891 is about 50134.3583882351. The cubic root of 2513453891 is about 1359.6390858546.

The spelling of 2513453891 in words is "two billion, five hundred thirteen million, four hundred fifty-three thousand, eight hundred ninety-one".