61499059 has 2 divisors, whose sum is σ = 61499060. Its totient is φ = 61499058.

The previous prime is 61499023. The next prime is 61499093. The reversal of 61499059 is 95099416.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61499059 - 2¹¹ = 61497011 is a prime.

It is not a weakly prime, because it can be changed into another prime (61490059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30749529 + 30749530.

It is an arithmetic number, because the mean of its divisors is an integer number (30749530).

Almost surely, 2^61499059 is an apocalyptic number.

61499059 is a deficient number, since it is larger than the sum of its proper divisors (1).

61499059 is an equidigital number, since it uses as much as digits as its factorization.

61499059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 87480, while the sum is 43.

The square root of 61499059 is about 7842.1335744809. The cubic root of 61499059 is about 394.7203254472.

The spelling of 61499059 in words is "sixty-one million, four hundred ninety-nine thousand, fifty-nine".