3540550061 has 2 divisors, whose sum is σ = 3540550062. Its totient is φ = 3540550060.

The previous prime is 3540550049. The next prime is 3540550081. The reversal of 3540550061 is 1600550453.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1993622500 + 1546927561 = 44650^2 + 39331^2 .

It is an emirp because it is prime and its reverse (1600550453) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3540550061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3540550081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1770275030 + 1770275031.

It is an arithmetic number, because the mean of its divisors is an integer number (1770275031).

Almost surely, 2^3540550061 is an apocalyptic number.

It is an amenable number.

3540550061 is a deficient number, since it is larger than the sum of its proper divisors (1).

3540550061 is an equidigital number, since it uses as much as digits as its factorization.

3540550061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 3540550061 is about 59502.5214675815. The cubic root of 3540550061 is about 1524.1355037180.

The spelling of 3540550061 in words is "three billion, five hundred forty million, five hundred fifty thousand, sixty-one".