59879509 has 2 divisors, whose sum is σ = 59879510. Its totient is φ = 59879508.

The previous prime is 59879471. The next prime is 59879537. The reversal of 59879509 is 90597895.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59830225 + 49284 = 7735^2 + 222^2 .

It is a cyclic number.

It is not a de Polignac number, because 59879509 - 2¹⁵ = 59846741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (59879539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29939754 + 29939755.

It is an arithmetic number, because the mean of its divisors is an integer number (29939755).

Almost surely, 2^59879509 is an apocalyptic number.

It is an amenable number.

59879509 is a deficient number, since it is larger than the sum of its proper divisors (1).

59879509 is an equidigital number, since it uses as much as digits as its factorization.

59879509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1020600, while the sum is 52.

The square root of 59879509 is about 7738.1851231410. The cubic root of 59879509 is about 391.2245294351.

The spelling of 59879509 in words is "fifty-nine million, eight hundred seventy-nine thousand, five hundred nine".