1001554051 has 2 divisors, whose sum is σ = 1001554052. Its totient is φ = 1001554050.

The previous prime is 1001554039. The next prime is 1001554079. The reversal of 1001554051 is 1504551001.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1001554051 - 2⁷ = 1001553923 is a prime.

It is a super-2 number, since 2×1001554051² = 2006221034149021202, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1001054051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500777025 + 500777026.

It is an arithmetic number, because the mean of its divisors is an integer number (500777026).

Almost surely, 2^1001554051 is an apocalyptic number.

1001554051 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001554051 is an equidigital number, since it uses as much as digits as its factorization.

1001554051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 500, while the sum is 22.

The square root of 1001554051 is about 31647.3387664745. The cubic root of 1001554051 is about 1000.5177488898.

The spelling of 1001554051 in words is "one billion, one million, five hundred fifty-four thousand, fifty-one".