115487549 has 2 divisors, whose sum is σ = 115487550. Its totient is φ = 115487548.

The previous prime is 115487539. The next prime is 115487569. The reversal of 115487549 is 945784511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109202500 + 6285049 = 10450^2 + 2507^2 .

It is a cyclic number.

It is not a de Polignac number, because 115487549 - 2¹² = 115483453 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115487539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57743774 + 57743775.

It is an arithmetic number, because the mean of its divisors is an integer number (57743775).

Almost surely, 2^115487549 is an apocalyptic number.

It is an amenable number.

115487549 is a deficient number, since it is larger than the sum of its proper divisors (1).

115487549 is an equidigital number, since it uses as much as digits as its factorization.

115487549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 201600, while the sum is 44.

The square root of 115487549 is about 10746.5133415448. The cubic root of 115487549 is about 486.9806684320.

The spelling of 115487549 in words is "one hundred fifteen million, four hundred eighty-seven thousand, five hundred forty-nine".