3540025 has 6 divisors (see below), whose sum is σ = 4389662. Its totient is φ = 2832000.

The previous prime is 3539971. The next prime is 3540041. The reversal of 3540025 is 5200453.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1140624 + 2399401 = 1068^2 + 1549^2 .

It is not a de Polignac number, because 3540025 - 2⁷ = 3539897 is a prime.

It is a Duffinian number.

3540025 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3539984 and 3540011.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 70776 + ... + 70825.

Almost surely, 2^3540025 is an apocalyptic number.

It is an amenable number.

3540025 is a deficient number, since it is larger than the sum of its proper divisors (849637).

3540025 is a wasteful number, since it uses less digits than its factorization.

3540025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141611 (or 141606 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 3540025 is about 1881.4954158860. The cubic root of 3540025 is about 152.4060157264.

Adding to 3540025 its reverse (5200453), we get a palindrome (8740478).

The spelling of 3540025 in words is "three million, five hundred forty thousand, twenty-five".