2513405555 has 4 divisors (see below), whose sum is σ = 3016086672. Its totient is φ = 2010724440.

The previous prime is 2513405533. The next prime is 2513405563. The reversal of 2513405555 is 5555043152.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2513405555 - 2⁶ = 2513405491 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 251340551 + ... + 251340560.

It is an arithmetic number, because the mean of its divisors is an integer number (754021668).

Almost surely, 2^2513405555 is an apocalyptic number.

2513405555 is a deficient number, since it is larger than the sum of its proper divisors (502681117).

2513405555 is an equidigital number, since it uses as much as digits as its factorization.

2513405555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502681116.

The product of its (nonzero) digits is 75000, while the sum is 35.

The square root of 2513405555 is about 50133.8763213059. The cubic root of 2513405555 is about 1359.6303701008.

The spelling of 2513405555 in words is "two billion, five hundred thirteen million, four hundred five thousand, five hundred fifty-five".