3500025 has 24 divisors (see below), whose sum is σ = 6041280. Its totient is φ = 1784640.

The previous prime is 3500023. The next prime is 3500033. The reversal of 3500025 is 5200053.

It is not a de Polignac number, because 3500025 - 2¹ = 3500023 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 3499977 and 3500013.

It is not an unprimeable number, because it can be changed into a prime (3500023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 711 + ... + 2739.

It is an arithmetic number, because the mean of its divisors is an integer number (251720).

Almost surely, 2^3500025 is an apocalyptic number.

It is an amenable number.

3500025 is a deficient number, since it is larger than the sum of its proper divisors (2541255).

3500025 is a wasteful number, since it uses less digits than its factorization.

3500025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2065 (or 2060 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 15.

The square root of 3500025 is about 1870.8353749061. The cubic root of 3500025 is about 151.8298100916.

Adding to 3500025 its reverse (5200053), we get a palindrome (8700078).

The spelling of 3500025 in words is "three million, five hundred thousand, twenty-five".