10253521 has 8 divisors (see below), whose sum is σ = 10894400. Its totient is φ = 9622800.

The previous prime is 10253519. The next prime is 10253531. The reversal of 10253521 is 12535201.

10253521 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10253521 - 2¹ = 10253519 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10253531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 405 + ... + 4546.

It is an arithmetic number, because the mean of its divisors is an integer number (1361800).

Almost surely, 2^10253521 is an apocalyptic number.

It is an amenable number.

10253521 is a deficient number, since it is larger than the sum of its proper divisors (640879).

10253521 is a wasteful number, since it uses less digits than its factorization.

10253521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5079.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 10253521 is about 3202.1119593169. Note that the first 3 decimals coincide. The cubic root of 10253521 is about 217.2489444804.

Adding to 10253521 its reverse (12535201), we get a palindrome (22788722).

The spelling of 10253521 in words is "ten million, two hundred fifty-three thousand, five hundred twenty-one".