2051064551 has 2 divisors, whose sum is σ = 2051064552. Its totient is φ = 2051064550.

The previous prime is 2051064529. The next prime is 2051064601. The reversal of 2051064551 is 1554601502.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2051064551 - 2¹⁰ = 2051063527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2051064251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1025532275 + 1025532276.

It is an arithmetic number, because the mean of its divisors is an integer number (1025532276).

Almost surely, 2^2051064551 is an apocalyptic number.

2051064551 is a deficient number, since it is larger than the sum of its proper divisors (1).

2051064551 is an equidigital number, since it uses as much as digits as its factorization.

2051064551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 2051064551 is about 45288.6801640322. The cubic root of 2051064551 is about 1270.5539466603.

The spelling of 2051064551 in words is "two billion, fifty-one million, sixty-four thousand, five hundred fifty-one".