10354021 has 2 divisors, whose sum is σ = 10354022. Its totient is φ = 10354020.

The previous prime is 10354009. The next prime is 10354039. The reversal of 10354021 is 12045301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5452225 + 4901796 = 2335^2 + 2214^2 .

It is a cyclic number.

It is not a de Polignac number, because 10354021 - 2⁹ = 10353509 is a prime.

It is a super-3 number, since 3×10354021³ (a number of 22 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10353986 and 10354004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10354051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5177010 + 5177011.

It is an arithmetic number, because the mean of its divisors is an integer number (5177011).

Almost surely, 2^10354021 is an apocalyptic number.

It is an amenable number.

10354021 is a deficient number, since it is larger than the sum of its proper divisors (1).

10354021 is an equidigital number, since it uses as much as digits as its factorization.

10354021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 10354021 is about 3217.7664613828. The cubic root of 10354021 is about 217.9564273379.

Adding to 10354021 its reverse (12045301), we get a palindrome (22399322).

The spelling of 10354021 in words is "ten million, three hundred fifty-four thousand, twenty-one".