10021552 has 10 divisors (see below), whose sum is σ = 19416788. Its totient is φ = 5010768.

The previous prime is 10021549. The next prime is 10021567. The reversal of 10021552 is 25512001.

It is a Harshad number since it is a multiple of its sum of digits (16), and also a Moran number because the ratio is a prime number: 626347 = 10021552 / (1 + 0 + 0 + 2 + 1 + 5 + 5 + 2).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 313158 + ... + 313189.

Almost surely, 2^10021552 is an apocalyptic number.

It is an amenable number.

10021552 is a deficient number, since it is larger than the sum of its proper divisors (9395236).

10021552 is an equidigital number, since it uses as much as digits as its factorization.

10021552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626355 (or 626349 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 10021552 is about 3165.6834964980. The cubic root of 10021552 is about 215.5981325342.

Adding to 10021552 its reverse (25512001), we get a palindrome (35533553).

The spelling of 10021552 in words is "ten million, twenty-one thousand, five hundred fifty-two".