10525240 has 64 divisors (see below), whose sum is σ = 27216000. Its totient is φ = 3623040.

The previous prime is 10525199. The next prime is 10525241. The reversal of 10525240 is 4252501.

It is a super-2 number, since 2×10525240² = 221561354115200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10525241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7731 + ... + 8989.

It is an arithmetic number, because the mean of its divisors is an integer number (425250).

Almost surely, 2^10525240 is an apocalyptic number.

10525240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10525240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13608000).

10525240 is an abundant number, since it is smaller than the sum of its proper divisors (16690760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10525240 is a wasteful number, since it uses less digits than its factorization.

10525240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1300 (or 1296 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 10525240 is about 3244.2626280867. The cubic root of 10525240 is about 219.1512754223.

Adding to 10525240 its reverse (4252501), we get a palindrome (14777741).

The spelling of 10525240 in words is "ten million, five hundred twenty-five thousand, two hundred forty".