1540541006 has 4 divisors (see below), whose sum is σ = 2310811512. Its totient is φ = 770270502.

The previous prime is 1540540999. The next prime is 1540541017. The reversal of 1540541006 is 6001450451.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6001450451 = 1069 ⋅5614079.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 385135250 + ... + 385135253.

It is an arithmetic number, because the mean of its divisors is an integer number (577702878).

Almost surely, 2^1540541006 is an apocalyptic number.

1540541006 is a deficient number, since it is larger than the sum of its proper divisors (770270506).

1540541006 is an equidigital number, since it uses as much as digits as its factorization.

1540541006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770270505.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 1540541006 is about 39249.7261901277. The cubic root of 1540541006 is about 1154.9355625802.

Adding to 1540541006 its reverse (6001450451), we get a palindrome (7541991457).

The spelling of 1540541006 in words is "one billion, five hundred forty million, five hundred forty-one thousand, six".