3618025 has 12 divisors (see below), whose sum is σ = 4750812. Its totient is φ = 2723840.

The previous prime is 3618007. The next prime is 3618029. The reversal of 3618025 is 5208163.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 363609 + 3254416 = 603^2 + 1804^2 .

It is not a de Polignac number, because 3618025 - 2⁵ = 3617993 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3618029) 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 11 ways as a sum of consecutive naturals, for example, 3832 + ... + 4681.

It is an arithmetic number, because the mean of its divisors is an integer number (395901).

Almost surely, 2^3618025 is an apocalyptic number.

It is an amenable number.

3618025 is a deficient number, since it is larger than the sum of its proper divisors (1132787).

3618025 is a wasteful number, since it uses less digits than its factorization.

3618025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8540 (or 8535 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 3618025 is about 1902.1106697561. The cubic root of 3618025 is about 153.5172520018.

The spelling of 3618025 in words is "three million, six hundred eighteen thousand, twenty-five".