10258239 has 4 divisors (see below), whose sum is σ = 13677656. Its totient is φ = 6838824.

The previous prime is 10258211. The next prime is 10258243. The reversal of 10258239 is 93285201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93285201 = 3 ⋅31095067.

It is not a de Polignac number, because 10258239 - 2⁹ = 10257727 is a prime.

It is a super-2 number, since 2×10258239² = 210462934762242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10258249) 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, 1709704 + ... + 1709709.

It is an arithmetic number, because the mean of its divisors is an integer number (3419414).

Almost surely, 2^10258239 is an apocalyptic number.

10258239 is a deficient number, since it is larger than the sum of its proper divisors (3419417).

10258239 is an equidigital number, since it uses as much as digits as its factorization.

10258239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3419416.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 10258239 is about 3202.8485758774. The cubic root of 10258239 is about 217.2822606246.

The spelling of 10258239 in words is "ten million, two hundred fifty-eight thousand, two hundred thirty-nine".