10621250 has 40 divisors (see below), whose sum is σ = 20665260. Its totient is φ = 4088000.

The previous prime is 10621241. The next prime is 10621283. The reversal of 10621250 is 5212601.

It can be written as a sum of positive squares in 10 ways, for example, as 169 + 10621081 = 13^2 + 3259^2 .

It is a super-2 number, since 2×10621250² = 225621903125000, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 36104 + ... + 36396.

Almost surely, 2^10621250 is an apocalyptic number.

10621250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10621250 is a deficient number, since it is larger than the sum of its proper divisors (10044010).

10621250 is an equidigital number, since it uses as much as digits as its factorization.

10621250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344 (or 329 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 10621250 is about 3259.0259280957. The cubic root of 10621250 is about 219.8156168606.

Adding to 10621250 its reverse (5212601), we get a palindrome (15833851).

The spelling of 10621250 in words is "ten million, six hundred twenty-one thousand, two hundred fifty".