3540563 has 4 divisors (see below), whose sum is σ = 3812928. Its totient is φ = 3268200.

The previous prime is 3540553. The next prime is 3540583. The reversal of 3540563 is 3650453.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3650453 = 167 ⋅21859.

It is not a de Polignac number, because 3540563 - 2⁶ = 3540499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3540503) 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, 136163 + ... + 136188.

It is an arithmetic number, because the mean of its divisors is an integer number (953232).

Almost surely, 2^3540563 is an apocalyptic number.

3540563 is a deficient number, since it is larger than the sum of its proper divisors (272365).

3540563 is a wasteful number, since it uses less digits than its factorization.

3540563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272364.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 3540563 is about 1881.6383818364. The cubic root of 3540563 is about 152.4137360375.

The spelling of 3540563 in words is "three million, five hundred forty thousand, five hundred sixty-three".