61160549 has 2 divisors, whose sum is σ = 61160550. Its totient is φ = 61160548.

The previous prime is 61160531. The next prime is 61160573. The reversal of 61160549 is 94506116.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49984900 + 11175649 = 7070^2 + 3343^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61160549 is a prime.

It is a super-3 number, since 3×61160549³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61160579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30580274 + 30580275.

It is an arithmetic number, because the mean of its divisors is an integer number (30580275).

Almost surely, 2^61160549 is an apocalyptic number.

It is an amenable number.

61160549 is a deficient number, since it is larger than the sum of its proper divisors (1).

61160549 is an equidigital number, since it uses as much as digits as its factorization.

61160549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 61160549 is about 7820.5210184488. The cubic root of 61160549 is about 393.9947713324.

The spelling of 61160549 in words is "sixty-one million, one hundred sixty thousand, five hundred forty-nine".