1054606621 has 2 divisors, whose sum is σ = 1054606622. Its totient is φ = 1054606620.

The previous prime is 1054606607. The next prime is 1054606643. The reversal of 1054606621 is 1266064501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1013467225 + 41139396 = 31835^2 + 6414^2 .

It is a cyclic number.

It is not a de Polignac number, because 1054606621 - 2⁹ = 1054606109 is a prime.

It is a super-2 number, since 2×1054606621² = 2224390250114075282, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1054606661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527303310 + 527303311.

It is an arithmetic number, because the mean of its divisors is an integer number (527303311).

Almost surely, 2^1054606621 is an apocalyptic number.

It is an amenable number.

1054606621 is a deficient number, since it is larger than the sum of its proper divisors (1).

1054606621 is an equidigital number, since it uses as much as digits as its factorization.

1054606621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 1054606621 is about 32474.7074043786. The cubic root of 1054606621 is about 1017.8805860756.

The spelling of 1054606621 in words is "one billion, fifty-four million, six hundred six thousand, six hundred twenty-one".