215258483 has 4 divisors (see below), whose sum is σ = 234827448. Its totient is φ = 195689520.

The previous prime is 215258479. The next prime is 215258579. The reversal of 215258483 is 384852512.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 215258483 - 2² = 215258479 is a prime.

It is a super-2 number, since 2×215258483² = 92672429006922578, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (215258443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9784466 + ... + 9784487.

It is an arithmetic number, because the mean of its divisors is an integer number (58706862).

Almost surely, 2^215258483 is an apocalyptic number.

215258483 is a deficient number, since it is larger than the sum of its proper divisors (19568965).

215258483 is a wasteful number, since it uses less digits than its factorization.

215258483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19568964.

The product of its digits is 76800, while the sum is 38.

The square root of 215258483 is about 14671.6898481395. The cubic root of 215258483 is about 599.3126230074.

The spelling of 215258483 in words is "two hundred fifteen million, two hundred fifty-eight thousand, four hundred eighty-three".