215959061 has 8 divisors (see below), whose sum is σ = 219112320. Its totient is φ = 212816448.

The previous prime is 215959043. The next prime is 215959069. The reversal of 215959061 is 160959512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 215959061 - 2¹⁰ = 215958037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215959069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44045 + ... + 48701.

It is an arithmetic number, because the mean of its divisors is an integer number (27389040).

Almost surely, 2^215959061 is an apocalyptic number.

It is an amenable number.

215959061 is a deficient number, since it is larger than the sum of its proper divisors (3153259).

215959061 is an equidigital number, since it uses as much as digits as its factorization.

215959061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5323.

The product of its (nonzero) digits is 24300, while the sum is 38.

The square root of 215959061 is about 14695.5456176353. The cubic root of 215959061 is about 599.9620911234.

The spelling of 215959061 in words is "two hundred fifteen million, nine hundred fifty-nine thousand, sixty-one".