10521356 has 6 divisors (see below), whose sum is σ = 18412380. Its totient is φ = 5260676.

The previous prime is 10521331. The next prime is 10521359. The reversal of 10521356 is 65312501.

It is a super-2 number, since 2×10521356² = 221397864157472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10521359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1315166 + ... + 1315173.

It is an arithmetic number, because the mean of its divisors is an integer number (3068730).

Almost surely, 2^10521356 is an apocalyptic number.

It is an amenable number.

10521356 is a deficient number, since it is larger than the sum of its proper divisors (7891024).

10521356 is a wasteful number, since it uses less digits than its factorization.

10521356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2630343 (or 2630341 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 10521356 is about 3243.6639776648. The cubic root of 10521356 is about 219.1243152049.

Adding to 10521356 its reverse (65312501), we get a palindrome (75833857).

The spelling of 10521356 in words is "ten million, five hundred twenty-one thousand, three hundred fifty-six".