8437625 has 16 divisors (see below), whose sum is σ = 12035712. Its totient is φ = 5785200.

The previous prime is 8437621. The next prime is 8437631. The reversal of 8437625 is 5267348.

It is a happy number.

It is not a de Polignac number, because 8437625 - 2² = 8437621 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a d-powerful number, because it can be written as 8⁷ + 4¹¹ + 3⁷ + 7² + 6⁶ + 2²¹ + 5³ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8437621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3947 + ... + 5696.

It is an arithmetic number, because the mean of its divisors is an integer number (752232).

Almost surely, 2^8437625 is an apocalyptic number.

It is an amenable number.

8437625 is a deficient number, since it is larger than the sum of its proper divisors (3598087).

8437625 is an equidigital number, since it uses as much as digits as its factorization.

8437625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9665 (or 9655 counting only the distinct ones).

The product of its digits is 40320, while the sum is 35.

The square root of 8437625 is about 2904.7590261500. The cubic root of 8437625 is about 203.5823265795.

The spelling of 8437625 in words is "eight million, four hundred thirty-seven thousand, six hundred twenty-five".