213090875 has 8 divisors (see below), whose sum is σ = 265937568. Its totient is φ = 170472600.

The previous prime is 213090851. The next prime is 213090877. The reversal of 213090875 is 578090312.

213090875 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 213090875 - 2¹⁶ = 213025339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213090877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 852239 + ... + 852488.

It is an arithmetic number, because the mean of its divisors is an integer number (33242196).

Almost surely, 2^213090875 is an apocalyptic number.

213090875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

213090875 is a deficient number, since it is larger than the sum of its proper divisors (52846693).

213090875 is an equidigital number, since it uses as much as digits as its factorization.

213090875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1704742 (or 1704732 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 213090875 is about 14597.6325135277. The cubic root of 213090875 is about 597.2941816624.

The spelling of 213090875 in words is "two hundred thirteen million, ninety thousand, eight hundred seventy-five".