3540212541 has 16 divisors (see below), whose sum is σ = 5303692800. Its totient is φ = 2333621664.

The previous prime is 3540212521. The next prime is 3540212567. The reversal of 3540212541 is 1452120453.

3540212541 is a `hidden beast` number, since 3 + 5 + 402 + 1 + 254 + 1 = 666.

It is not a de Polignac number, because 3540212541 - 2⁶ = 3540212477 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3540212521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 734221 + ... + 739026.

It is an arithmetic number, because the mean of its divisors is an integer number (331480800).

Almost surely, 2^3540212541 is an apocalyptic number.

It is an amenable number.

3540212541 is a deficient number, since it is larger than the sum of its proper divisors (1763480259).

3540212541 is a wasteful number, since it uses less digits than its factorization.

3540212541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1473345 (or 1473339 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 3540212541 is about 59499.6852176547. The cubic root of 3540212541 is about 1524.0870703245.

Adding to 3540212541 its reverse (1452120453), we get a palindrome (4992332994).

The spelling of 3540212541 in words is "three billion, five hundred forty million, two hundred twelve thousand, five hundred forty-one".