10525439 has 4 divisors (see below), whose sum is σ = 10561656. Its totient is φ = 10489224.

The previous prime is 10525433. The next prime is 10525447. The reversal of 10525439 is 93452501.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10525439 is a prime.

It is a super-2 number, since 2×10525439² = 221569732285442, 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 (10525433) 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, 17669 + ... + 18254.

It is an arithmetic number, because the mean of its divisors is an integer number (2640414).

Almost surely, 2^10525439 is an apocalyptic number.

10525439 is a deficient number, since it is larger than the sum of its proper divisors (36217).

10525439 is an equidigital number, since it uses as much as digits as its factorization.

10525439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36216.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 10525439 is about 3244.2932974686. The cubic root of 10525439 is about 219.1526565730.

The spelling of 10525439 in words is "ten million, five hundred twenty-five thousand, four hundred thirty-nine".