3620625 has 20 divisors (see below), whose sum is σ = 6035568. Its totient is φ = 1930000.

The previous prime is 3620623. The next prime is 3620627. The reversal of 3620625 is 5260263.

It is an interprime number because it is at equal distance from previous prime (3620623) and next prime (3620627).

It is not a de Polignac number, because 3620625 - 2¹ = 3620623 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3620595 and 3620604.

It is not an unprimeable number, because it can be changed into a prime (3620623) 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 19 ways as a sum of consecutive naturals, for example, 910 + ... + 2840.

Almost surely, 2^3620625 is an apocalyptic number.

It is an amenable number.

3620625 is a deficient number, since it is larger than the sum of its proper divisors (2414943).

3620625 is an equidigital number, since it uses as much as digits as its factorization.

3620625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1954 (or 1939 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 3620625 is about 1902.7939983088. The cubic root of 3620625 is about 153.5540169294.

Adding to 3620625 its reverse (5260263), we get a palindrome (8880888).

The spelling of 3620625 in words is "three million, six hundred twenty thousand, six hundred twenty-five".