58642609 has 2 divisors, whose sum is σ = 58642610. Its totient is φ = 58642608.

The previous prime is 58642601. The next prime is 58642627. The reversal of 58642609 is 90624685.

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., 32171584 + 26471025 = 5672^2 + 5145^2 .

It is a cyclic number.

It is not a de Polignac number, because 58642609 - 2³ = 58642601 is a prime.

It is not a weakly prime, because it can be changed into another prime (58642601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29321304 + 29321305.

It is an arithmetic number, because the mean of its divisors is an integer number (29321305).

Almost surely, 2^58642609 is an apocalyptic number.

It is an amenable number.

58642609 is a deficient number, since it is larger than the sum of its proper divisors (1).

58642609 is an equidigital number, since it uses as much as digits as its factorization.

58642609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 58642609 is about 7657.8462376833. The cubic root of 58642609 is about 388.5119914893.

The spelling of 58642609 in words is "fifty-eight million, six hundred forty-two thousand, six hundred nine".