2551280930 has 16 divisors (see below), whose sum is σ = 5009788224. Its totient is φ = 927738480.

The previous prime is 2551280909. The next prime is 2551280939. The reversal of 2551280930 is 390821552.

It is not an unprimeable number, because it can be changed into a prime (2551280939) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11596622 + ... + 11596841.

It is an arithmetic number, because the mean of its divisors is an integer number (313111764).

Almost surely, 2^2551280930 is an apocalyptic number.

2551280930 is a deficient number, since it is larger than the sum of its proper divisors (2458507294).

2551280930 is a wasteful number, since it uses less digits than its factorization.

2551280930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23193481.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 2551280930 is about 50510.2061963718. The cubic root of 2551280930 is about 1366.4259283149.

The spelling of 2551280930 in words is "two billion, five hundred fifty-one million, two hundred eighty thousand, nine hundred thirty".