10521252 has 60 divisors (see below), whose sum is σ = 31440640. Its totient is φ = 3005424.

The previous prime is 10521241. The next prime is 10521253. The reversal of 10521252 is 25212501.

It is a super-2 number, since 2×10521252² = 221393487295008, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 (10521253) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 52 + ... + 4587.

Almost surely, 2^10521252 is an apocalyptic number.

10521252 is a gapful number since it is divisible by the number (12) 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 10521252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15720320).

10521252 is an abundant number, since it is smaller than the sum of its proper divisors (20919388).

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

10521252 is a wasteful number, since it uses less digits than its factorization.

10521252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4662 (or 4651 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 10521252 is about 3243.6479463715. The cubic root of 10521252 is about 219.1235932129.

Adding to 10521252 its reverse (25212501), we get a palindrome (35733753).

It can be divided in two parts, 1052 and 1252, that added together give a square (2304 = 48²).

The spelling of 10521252 in words is "ten million, five hundred twenty-one thousand, two hundred fifty-two".