2920845251 has 2 divisors, whose sum is σ = 2920845252. Its totient is φ = 2920845250.

The previous prime is 2920845247. The next prime is 2920845313. The reversal of 2920845251 is 1525480292.

2920845251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2920845251 - 2² = 2920845247 is a prime.

It is not a weakly prime, because it can be changed into another prime (2920845241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1460422625 + 1460422626.

It is an arithmetic number, because the mean of its divisors is an integer number (1460422626).

Almost surely, 2^2920845251 is an apocalyptic number.

2920845251 is a deficient number, since it is larger than the sum of its proper divisors (1).

2920845251 is an equidigital number, since it uses as much as digits as its factorization.

2920845251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57600, while the sum is 38.

The square root of 2920845251 is about 54044.8448142836. The cubic root of 2920845251 is about 1429.4518007276.

The spelling of 2920845251 in words is "two billion, nine hundred twenty million, eight hundred forty-five thousand, two hundred fifty-one".