215674013 has 8 divisors (see below), whose sum is σ = 229298688. Its totient is φ = 202403344.

The previous prime is 215673977. The next prime is 215674021. The reversal of 215674013 is 310476512.

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 215674013 - 2⁶ = 215673949 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 (215674093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87245 + ... + 89682.

It is an arithmetic number, because the mean of its divisors is an integer number (28662336).

Almost surely, 2^215674013 is an apocalyptic number.

215674013 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

215674013 is a deficient number, since it is larger than the sum of its proper divisors (13624675).

215674013 is a wasteful number, since it uses less digits than its factorization.

215674013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177003.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 215674013 is about 14685.8439662145. The cubic root of 215674013 is about 599.6980082123.

The spelling of 215674013 in words is "two hundred fifteen million, six hundred seventy-four thousand, thirteen".