1354540861 has 2 divisors, whose sum is σ = 1354540862. Its totient is φ = 1354540860.

The previous prime is 1354540853. The next prime is 1354540871. The reversal of 1354540861 is 1680454531.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1036453636 + 318087225 = 32194^2 + 17835^2 .

It is a cyclic number.

It is not a de Polignac number, because 1354540861 - 2³ = 1354540853 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1354540861.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1354540871) by changing a digit.

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, 677270430 + 677270431.

It is an arithmetic number, because the mean of its divisors is an integer number (677270431).

Almost surely, 2^1354540861 is an apocalyptic number.

It is an amenable number.

1354540861 is a deficient number, since it is larger than the sum of its proper divisors (1).

1354540861 is an equidigital number, since it uses as much as digits as its factorization.

1354540861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 1354540861 is about 36804.0875583134. The cubic root of 1354540861 is about 1106.4472239426.

The spelling of 1354540861 in words is "one billion, three hundred fifty-four million, five hundred forty thousand, eight hundred sixty-one".