10525217 has 4 divisors (see below), whose sum is σ = 10723860. Its totient is φ = 10326576.

The previous prime is 10525199. The next prime is 10525241. The reversal of 10525217 is 71252501.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7706176 + 2819041 = 2776^2 + 1679^2 .

It is a cyclic number.

It is not a de Polignac number, because 10525217 - 2¹⁸ = 10263073 is a prime.

It is a super-2 number, since 2×10525217² = 221560385794178, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10525192 and 10525201.

It is not an unprimeable number, because it can be changed into a prime (10525247) 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, 99242 + ... + 99347.

It is an arithmetic number, because the mean of its divisors is an integer number (2680965).

Almost surely, 2^10525217 is an apocalyptic number.

It is an amenable number.

10525217 is a deficient number, since it is larger than the sum of its proper divisors (198643).

10525217 is an equidigital number, since it uses as much as digits as its factorization.

10525217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198642.

The product of its (nonzero) digits is 700, while the sum is 23.

The square root of 10525217 is about 3244.2590833656. The cubic root of 10525217 is about 219.1511157907.

Adding to 10525217 its reverse (71252501), we get a palindrome (81777718).

The spelling of 10525217 in words is "ten million, five hundred twenty-five thousand, two hundred seventeen".