3653125 has 24 divisors (see below), whose sum is σ = 5249664. Its totient is φ = 2490000.

The previous prime is 3653081. The next prime is 3653129. The reversal of 3653125 is 5213563.

It is a happy number.

It is not a de Polignac number, because 3653125 - 2⁹ = 3652613 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 3653125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3653129) 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 23 ways as a sum of consecutive naturals, for example, 21792 + ... + 21958.

It is an arithmetic number, because the mean of its divisors is an integer number (218736).

Almost surely, 2^3653125 is an apocalyptic number.

3653125 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3653125 is a deficient number, since it is larger than the sum of its proper divisors (1596539).

3653125 is an frugal number, since it uses more digits than its factorization.

3653125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199 (or 179 counting only the distinct ones).

The product of its digits is 2700, while the sum is 25.

The square root of 3653125 is about 1911.3149923547. The cubic root of 3653125 is about 154.0121005840.

Adding to 3653125 its reverse (5213563), we get a palindrome (8866688).

The spelling of 3653125 in words is "three million, six hundred fifty-three thousand, one hundred twenty-five".