2730010251 has 4 divisors (see below), whose sum is σ = 3640013672. Its totient is φ = 1820006832.

The previous prime is 2730010247. The next prime is 2730010291. The reversal of 2730010251 is 1520100372.

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

It is not a de Polignac number, because 2730010251 - 2² = 2730010247 is a prime.

It is the 52250-th Hogben number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2730010201) by changing a digit.

It is a nontrivial repunit in base 52249.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 455001706 + ... + 455001711.

It is an arithmetic number, because the mean of its divisors is an integer number (910003418).

Almost surely, 2^2730010251 is an apocalyptic number.

2730010251 is a deficient number, since it is larger than the sum of its proper divisors (910003421).

2730010251 is an equidigital number, since it uses as much as digits as its factorization.

2730010251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910003420.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 2730010251 is about 52249.5000071771. The cubic root of 2730010251 is about 1397.6167361840.

The spelling of 2730010251 in words is "two billion, seven hundred thirty million, ten thousand, two hundred fifty-one".