1541540013 has 8 divisors (see below), whose sum is σ = 2213493408. Its totient is φ = 948639984.

The previous prime is 1541540009. The next prime is 1541540027. The reversal of 1541540013 is 3100451451.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1541540013 - 2² = 1541540009 is a prime.

It is a super-2 number, since 2×1541540013² = 4752691223360080338, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1541540003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19763295 + ... + 19763372.

It is an arithmetic number, because the mean of its divisors is an integer number (276686676).

Almost surely, 2^1541540013 is an apocalyptic number.

1541540013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1541540013 is a deficient number, since it is larger than the sum of its proper divisors (671953395).

1541540013 is a wasteful number, since it uses less digits than its factorization.

1541540013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39526683.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 1541540013 is about 39262.4504202170. The cubic root of 1541540013 is about 1155.1851587490.

Adding to 1541540013 its reverse (3100451451), we get a palindrome (4641991464).

The spelling of 1541540013 in words is "one billion, five hundred forty-one million, five hundred forty thousand, thirteen".