1043540413 has 2 divisors, whose sum is σ = 1043540414. Its totient is φ = 1043540412.

The previous prime is 1043540411. The next prime is 1043540431. The reversal of 1043540413 is 3140453401.

Together with next prime (1043540431) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 585494809 + 458045604 = 24197^2 + 21402^2 .

It is a cyclic number.

It is not a de Polignac number, because 1043540413 - 2¹ = 1043540411 is a prime.

Together with 1043540411, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1043540411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521770206 + 521770207.

It is an arithmetic number, because the mean of its divisors is an integer number (521770207).

Almost surely, 2^1043540413 is an apocalyptic number.

It is an amenable number.

1043540413 is a deficient number, since it is larger than the sum of its proper divisors (1).

1043540413 is an equidigital number, since it uses as much as digits as its factorization.

1043540413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1043540413 is about 32303.8761296535. The cubic root of 1043540413 is about 1014.3077820451.

Adding to 1043540413 its reverse (3140453401), we get a palindrome (4183993814).

The spelling of 1043540413 in words is "one billion, forty-three million, five hundred forty thousand, four hundred thirteen".