215048705 has 16 divisors (see below), whose sum is σ = 270148608. Its totient is φ = 164136000.

The previous prime is 215048693. The next prime is 215048711. The reversal of 215048705 is 507840512.

It is not a de Polignac number, because 215048705 - 2¹⁶ = 214983169 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1235 + ... + 20775.

It is an arithmetic number, because the mean of its divisors is an integer number (16884288).

Almost surely, 2^215048705 is an apocalyptic number.

It is an amenable number.

215048705 is a deficient number, since it is larger than the sum of its proper divisors (55099903).

215048705 is a wasteful number, since it uses less digits than its factorization.

215048705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19648.

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 215048705 is about 14664.5390312822. The cubic root of 215048705 is about 599.1178750244.

The spelling of 215048705 in words is "two hundred fifteen million, forty-eight thousand, seven hundred five".