10521436 has 12 divisors (see below), whose sum is σ = 19495728. Its totient is φ = 4951232.

The previous prime is 10521377. The next prime is 10521437. The reversal of 10521436 is 63412501.

It is a super-2 number, since 2×10521436² = 221401231004192, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10521437) 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, 77296 + ... + 77431.

It is an arithmetic number, because the mean of its divisors is an integer number (1624644).

Almost surely, 2^10521436 is an apocalyptic number.

It is an amenable number.

10521436 is a deficient number, since it is larger than the sum of its proper divisors (8974292).

10521436 is a wasteful number, since it uses less digits than its factorization.

10521436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154748 (or 154746 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 10521436 is about 3243.6763093749. The cubic root of 10521436 is about 219.1248705801.

Adding to 10521436 its reverse (63412501), we get a palindrome (73933937).

The spelling of 10521436 in words is "ten million, five hundred twenty-one thousand, four hundred thirty-six".