1540341401 has 2 divisors, whose sum is σ = 1540341402. Its totient is φ = 1540341400.

The previous prime is 1540341373. The next prime is 1540341431. The reversal of 1540341401 is 1041430451.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 942490000 + 597851401 = 30700^2 + 24451^2 .

It is a cyclic number.

It is not a de Polignac number, because 1540341401 - 2³⁰ = 466599577 is a prime.

It is not a weakly prime, because it can be changed into another prime (1540341431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 770170700 + 770170701.

It is an arithmetic number, because the mean of its divisors is an integer number (770170701).

Almost surely, 2^1540341401 is an apocalyptic number.

It is an amenable number.

1540341401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1540341401 is an equidigital number, since it uses as much as digits as its factorization.

1540341401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1540341401 is about 39247.1833511655. The cubic root of 1540341401 is about 1154.8856794830.

Adding to 1540341401 its reverse (1041430451), we get a palindrome (2581771852).

The spelling of 1540341401 in words is "one billion, five hundred forty million, three hundred forty-one thousand, four hundred one".