213963075 has 18 divisors (see below), whose sum is σ = 383232044. Its totient is φ = 114113520.

The previous prime is 213963059. The next prime is 213963097. The reversal of 213963075 is 570369312.

213963075 is a `hidden beast` number, since 2 + 13 + 9 + 630 + 7 + 5 = 666.

It is not a de Polignac number, because 213963075 - 2⁴ = 213963059 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 475249 + ... + 475698.

Almost surely, 2^213963075 is an apocalyptic number.

213963075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

213963075 is a deficient number, since it is larger than the sum of its proper divisors (169268969).

213963075 is a wasteful number, since it uses less digits than its factorization.

213963075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 950963 (or 950955 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 36.

The square root of 213963075 is about 14627.4767133638. The cubic root of 213963075 is about 598.1079984882.

The spelling of 213963075 in words is "two hundred thirteen million, nine hundred sixty-three thousand, seventy-five".