59661493 has 2 divisors, whose sum is σ = 59661494. Its totient is φ = 59661492.

The previous prime is 59661491. The next prime is 59661509. The reversal of 59661493 is 39416695.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32182929 + 27478564 = 5673^2 + 5242^2 .

It is a cyclic number.

It is not a de Polignac number, because 59661493 - 2¹ = 59661491 is a prime.

Together with 59661491, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (59661491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29830746 + 29830747.

It is an arithmetic number, because the mean of its divisors is an integer number (29830747).

Almost surely, 2^59661493 is an apocalyptic number.

It is an amenable number.

59661493 is a deficient number, since it is larger than the sum of its proper divisors (1).

59661493 is an equidigital number, since it uses as much as digits as its factorization.

59661493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 174960, while the sum is 43.

The square root of 59661493 is about 7724.0852532840. The cubic root of 59661493 is about 390.7491473812.

The spelling of 59661493 in words is "fifty-nine million, six hundred sixty-one thousand, four hundred ninety-three".