10054921 has 2 divisors, whose sum is σ = 10054922. Its totient is φ = 10054920.

The previous prime is 10054907. The next prime is 10054927. The reversal of 10054921 is 12945001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6943225 + 3111696 = 2635^2 + 1764^2 .

It is an emirp because it is prime and its reverse (12945001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10054921 - 2¹¹ = 10052873 is a prime.

It is a super-2 number, since 2×10054921² = 202202872632482, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10054892 and 10054901.

It is not a weakly prime, because it can be changed into another prime (10054927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5027460 + 5027461.

It is an arithmetic number, because the mean of its divisors is an integer number (5027461).

Almost surely, 2^10054921 is an apocalyptic number.

It is an amenable number.

10054921 is a deficient number, since it is larger than the sum of its proper divisors (1).

10054921 is an equidigital number, since it uses as much as digits as its factorization.

10054921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 10054921 is about 3170.9495423296. The cubic root of 10054921 is about 215.8371615063.

Adding to 10054921 its reverse (12945001), we get a palindrome (22999922).

The spelling of 10054921 in words is "ten million, fifty-four thousand, nine hundred twenty-one".