3500045 has 8 divisors (see below), whose sum is σ = 4447224. Its totient is φ = 2635264.

The previous prime is 3500041. The next prime is 3500059. The reversal of 3500045 is 5400053.

It can be written as a sum of positive squares in 4 ways, for example, as 391876 + 3108169 = 626^2 + 1763^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3500045 - 2² = 3500041 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an Ulam number.

It is a Duffinian number.

3500045 is a modest number, since divided by 45 gives 35 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 3499996 and 3500032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3500041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20504 + ... + 20673.

It is an arithmetic number, because the mean of its divisors is an integer number (555903).

Almost surely, 2^3500045 is an apocalyptic number.

It is an amenable number.

3500045 is a deficient number, since it is larger than the sum of its proper divisors (947179).

3500045 is a wasteful number, since it uses less digits than its factorization.

3500045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41199.

The product of its (nonzero) digits is 300, while the sum is 17.

The square root of 3500045 is about 1870.8407201042. The cubic root of 3500045 is about 151.8300992886.

Adding to 3500045 its reverse (5400053), we get a palindrome (8900098).

The spelling of 3500045 in words is "three million, five hundred thousand, forty-five".