4012625 has 16 divisors (see below), whose sum is σ = 5121792. Its totient is φ = 3137200.

The previous prime is 4012621. The next prime is 4012627. The reversal of 4012625 is 5262104.

It is a happy number.

It is not a de Polignac number, because 4012625 - 2² = 4012621 is a prime.

It is a super-2 number, since 2×4012625² = 32202318781250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4012597 and 4012606.

It is not an unprimeable number, because it can be changed into a prime (4012621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5534 + ... + 6216.

It is an arithmetic number, because the mean of its divisors is an integer number (320112).

Almost surely, 2^4012625 is an apocalyptic number.

It is an amenable number.

4012625 is a deficient number, since it is larger than the sum of its proper divisors (1109167).

4012625 is an equidigital number, since it uses as much as digits as its factorization.

4012625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745 (or 735 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 4012625 is about 2003.1537634440. The cubic root of 4012625 is about 158.9069376171.

Adding to 4012625 its reverse (5262104), we get a palindrome (9274729).

The spelling of 4012625 in words is "four million, twelve thousand, six hundred twenty-five".