10520439 has 8 divisors (see below), whose sum is σ = 14479872. Its totient is φ = 6787320.

The previous prime is 10520431. The next prime is 10520449. The reversal of 10520439 is 93402501.

10520439 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10520439 - 2³ = 10520431 is a prime.

It is a super-2 number, since 2×10520439² = 221359273505442, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10520431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56469 + ... + 56654.

It is an arithmetic number, because the mean of its divisors is an integer number (1809984).

Almost surely, 2^10520439 is an apocalyptic number.

10520439 is a deficient number, since it is larger than the sum of its proper divisors (3959433).

10520439 is a wasteful number, since it uses less digits than its factorization.

10520439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113157.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 10520439 is about 3243.5226220885. The cubic root of 10520439 is about 219.1179490155.

The spelling of 10520439 in words is "ten million, five hundred twenty thousand, four hundred thirty-nine".