10525890 has 32 divisors (see below), whose sum is σ = 26749440. Its totient is φ = 2641664.

The previous prime is 10525883. The next prime is 10525897. The reversal of 10525890 is 9852501.

It is an interprime number because it is at equal distance from previous prime (10525883) and next prime (10525897).

It is a super-2 number, since 2×10525890² = 221588720584200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (10525897) 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, 9810 + ... + 10829.

It is an arithmetic number, because the mean of its divisors is an integer number (835920).

Almost surely, 2^10525890 is an apocalyptic number.

10525890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10525890 is an abundant number, since it is smaller than the sum of its proper divisors (16223550).

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

10525890 is a wasteful number, since it uses less digits than its factorization.

10525890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20666.

The product of its (nonzero) digits is 3600, while the sum is 30.

The square root of 10525890 is about 3244.3628033868. The cubic root of 10525890 is about 219.1557866542.

The spelling of 10525890 in words is "ten million, five hundred twenty-five thousand, eight hundred ninety".