3540235 has 4 divisors (see below), whose sum is σ = 4248288. Its totient is φ = 2832184.

The previous prime is 3540223. The next prime is 3540247. The reversal of 3540235 is 5320453.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5320453 = 167 ⋅31859.

It is an interprime number because it is at equal distance from previous prime (3540223) and next prime (3540247).

It is a cyclic number.

It is not a de Polignac number, because 3540235 - 2⁵ = 3540203 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 354019 + ... + 354028.

It is an arithmetic number, because the mean of its divisors is an integer number (1062072).

Almost surely, 2^3540235 is an apocalyptic number.

3540235 is a deficient number, since it is larger than the sum of its proper divisors (708053).

3540235 is an equidigital number, since it uses as much as digits as its factorization.

3540235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708052.

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 3540235 is about 1881.5512217317. The cubic root of 3540235 is about 152.4090293238.

Adding to 3540235 its reverse (5320453), we get a palindrome (8860688).

The spelling of 3540235 in words is "three million, five hundred forty thousand, two hundred thirty-five".