4194540531 has 10 divisors (see below), whose sum is σ = 6265918692. Its totient is φ = 2796360300.

The previous prime is 4194540487. The next prime is 4194540551. The reversal of 4194540531 is 1350454914.

It is a happy number.

4194540531 is a `hidden beast` number, since 41 + 9 + 45 + 40 + 531 = 666.

It is not a de Polignac number, because 4194540531 - 2¹³ = 4194532339 is a prime.

It is a super-2 number, since 2×4194540531² = 35188340532403523922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4194540551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 25892145 + ... + 25892306.

Almost surely, 2^4194540531 is an apocalyptic number.

4194540531 is a deficient number, since it is larger than the sum of its proper divisors (2071378161).

4194540531 is an equidigital number, since it uses as much as digits as its factorization.

4194540531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51784463 (or 51784454 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 4194540531 is about 64765.2725694874. The cubic root of 4194540531 is about 1612.7292584797.

The spelling of 4194540531 in words is "four billion, one hundred ninety-four million, five hundred forty thousand, five hundred thirty-one".