10189521 has 12 divisors (see below), whose sum is σ = 14884740. Its totient is φ = 6716160.

The previous prime is 10189507. The next prime is 10189523. The reversal of 10189521 is 12598101.

It can be written as a sum of positive squares in 2 ways, for example, as 5588496 + 4601025 = 2364^2 + 2145^2 .

It is not a de Polignac number, because 10189521 - 2⁵ = 10189489 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10189523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5560 + ... + 7161.

It is an arithmetic number, because the mean of its divisors is an integer number (1240395).

Almost surely, 2^10189521 is an apocalyptic number.

It is an amenable number.

10189521 is a deficient number, since it is larger than the sum of its proper divisors (4695219).

10189521 is a wasteful number, since it uses less digits than its factorization.

10189521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12816 (or 12813 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 27.

The square root of 10189521 is about 3192.1029118749. The cubic root of 10189521 is about 216.7959956346.

The spelling of 10189521 in words is "ten million, one hundred eighty-nine thousand, five hundred twenty-one".