10049021 has 4 divisors (see below), whose sum is σ = 10083612. Its totient is φ = 10014432.

The previous prime is 10049009. The next prime is 10049027. The reversal of 10049021 is 12094001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9523396 + 525625 = 3086^2 + 725^2 .

It is a cyclic number.

It is not a de Polignac number, because 10049021 - 2¹⁰ = 10047997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10049027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16856 + ... + 17441.

It is an arithmetic number, because the mean of its divisors is an integer number (2520903).

Almost surely, 2^10049021 is an apocalyptic number.

It is an amenable number.

10049021 is a deficient number, since it is larger than the sum of its proper divisors (34591).

10049021 is an equidigital number, since it uses as much as digits as its factorization.

10049021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34590.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 10049021 is about 3170.0190851161. The cubic root of 10049021 is about 215.7949371265.

The spelling of 10049021 in words is "ten million, forty-nine thousand, twenty-one".