58617661 has 2 divisors, whose sum is σ = 58617662. Its totient is φ = 58617660.

The previous prime is 58617631. The next prime is 58617737. The reversal of 58617661 is 16671685.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43164900 + 15452761 = 6570^2 + 3931^2 .

It is a cyclic number.

It is not a de Polignac number, because 58617661 - 2¹³ = 58609469 is a prime.

It is a super-2 number, since 2×58617661² = 6872060362221842, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (58617631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29308830 + 29308831.

It is an arithmetic number, because the mean of its divisors is an integer number (29308831).

Almost surely, 2^58617661 is an apocalyptic number.

It is an amenable number.

58617661 is a deficient number, since it is larger than the sum of its proper divisors (1).

58617661 is an equidigital number, since it uses as much as digits as its factorization.

58617661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 40.

The square root of 58617661 is about 7656.2171468683. The cubic root of 58617661 is about 388.4568895072.

The spelling of 58617661 in words is "fifty-eight million, six hundred seventeen thousand, six hundred sixty-one".