1601654051 has 2 divisors, whose sum is σ = 1601654052. Its totient is φ = 1601654050.

The previous prime is 1601653987. The next prime is 1601654063. The reversal of 1601654051 is 1504561061.

It is a strong prime.

It is an emirp because it is prime and its reverse (1504561061) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1601654051 - 2⁶ = 1601653987 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1601614051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 800827025 + 800827026.

It is an arithmetic number, because the mean of its divisors is an integer number (800827026).

Almost surely, 2^1601654051 is an apocalyptic number.

1601654051 is a deficient number, since it is larger than the sum of its proper divisors (1).

1601654051 is an equidigital number, since it uses as much as digits as its factorization.

1601654051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 1601654051 is about 40020.6702967354. The cubic root of 1601654051 is about 1170.0099960185.

The spelling of 1601654051 in words is "one billion, six hundred one million, six hundred fifty-four thousand, fifty-one".