1054004521 has 2 divisors, whose sum is σ = 1054004522. Its totient is φ = 1054004520.

The previous prime is 1054004503. The next prime is 1054004527. The reversal of 1054004521 is 1254004501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 803098921 + 250905600 = 28339^2 + 15840^2 .

It is a cyclic number.

It is not a de Polignac number, because 1054004521 - 2⁵ = 1054004489 is a prime.

It is a super-2 number, since 2×1054004521² = 2221851060576878882, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1054004492 and 1054004501.

It is not a weakly prime, because it can be changed into another prime (1054004527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527002260 + 527002261.

It is an arithmetic number, because the mean of its divisors is an integer number (527002261).

Almost surely, 2^1054004521 is an apocalyptic number.

It is an amenable number.

1054004521 is a deficient number, since it is larger than the sum of its proper divisors (1).

1054004521 is an equidigital number, since it uses as much as digits as its factorization.

1054004521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 1054004521 is about 32465.4357894669. The cubic root of 1054004521 is about 1017.6868384548.

The spelling of 1054004521 in words is "one billion, fifty-four million, four thousand, five hundred twenty-one".