10525428 has 36 divisors (see below), whose sum is σ = 27047748. Its totient is φ = 3450240.

The previous prime is 10525393. The next prime is 10525433. The reversal of 10525428 is 82452501.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4235364 + 6290064 = 2058^2 + 2508^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×10525428² = 221569269166368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 201 + ... + 4592.

Almost surely, 2^10525428 is an apocalyptic number.

10525428 is a gapful number since it is divisible by the number (18) 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 10525428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13523874).

10525428 is an abundant number, since it is smaller than the sum of its proper divisors (16522320).

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

10525428 is a wasteful number, since it uses less digits than its factorization.

10525428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4864 (or 4859 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 10525428 is about 3244.2916021837. The cubic root of 10525428 is about 219.1525802285.

Adding to 10525428 its reverse (82452501), we get a palindrome (92977929).

The spelling of 10525428 in words is "ten million, five hundred twenty-five thousand, four hundred twenty-eight".