213950015 has 16 divisors (see below), whose sum is σ = 272341440. Its totient is φ = 160796160.

The previous prime is 213949949. The next prime is 213950039. The reversal of 213950015 is 510059312.

It is not a de Polignac number, because 213950015 - 2¹⁰ = 213948991 is a prime.

It is a congruent 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, 51641 + ... + 55629.

It is an arithmetic number, because the mean of its divisors is an integer number (17021340).

Almost surely, 2^213950015 is an apocalyptic number.

213950015 is a deficient number, since it is larger than the sum of its proper divisors (58391425).

213950015 is a wasteful number, since it uses less digits than its factorization.

213950015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4642.

The product of its (nonzero) digits is 1350, while the sum is 26.

The square root of 213950015 is about 14627.0302864252. The cubic root of 213950015 is about 598.0958290217.

The spelling of 213950015 in words is "two hundred thirteen million, nine hundred fifty thousand, fifteen".