10021259 has 2 divisors, whose sum is σ = 10021260. Its totient is φ = 10021258.

The previous prime is 10021247. The next prime is 10021267. The reversal of 10021259 is 95212001.

10021259 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10021259 - 2⁴ = 10021243 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10021259.

It is not a weakly prime, because it can be changed into another prime (10021289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010629 + 5010630.

It is an arithmetic number, because the mean of its divisors is an integer number (5010630).

Almost surely, 2^10021259 is an apocalyptic number.

10021259 is a deficient number, since it is larger than the sum of its proper divisors (1).

10021259 is an equidigital number, since it uses as much as digits as its factorization.

10021259 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 10021259 is about 3165.6372186339. The cubic root of 10021259 is about 215.5960313670.

The spelling of 10021259 in words is "ten million, twenty-one thousand, two hundred fifty-nine".