3540253 has 4 divisors (see below), whose sum is σ = 3544380. Its totient is φ = 3536128.

The previous prime is 3540247. The next prime is 3540259. The reversal of 3540253 is 3520453.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (3540247) and next prime (3540259).

It can be written as a sum of positive squares in 2 ways, for example, as 2199289 + 1340964 = 1483^2 + 1158^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3540253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3540259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238 + ... + 2671.

It is an arithmetic number, because the mean of its divisors is an integer number (886095).

Almost surely, 2^3540253 is an apocalyptic number.

It is an amenable number.

3540253 is a deficient number, since it is larger than the sum of its proper divisors (4127).

3540253 is a wasteful number, since it uses less digits than its factorization.

3540253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4126.

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

The square root of 3540253 is about 1881.5560050129. The cubic root of 3540253 is about 152.4092876266.

The spelling of 3540253 in words is "three million, five hundred forty thousand, two hundred fifty-three".